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An evening visitor in the spring of 2024, comet 12P/Pons-Brooks is visible from the metropolis in the early hours of the morning until early (...)
An international team involving the IMCCE is recalibrating the study of lunar samples, taking into account for the first time the heterogeneity (...)
Triton, Neptune’s main satellite, passed in front of a star on October 6, 2022. This phenomenon prompted a vast campaign of observations in (...)
By comparing observations from the Webb telescope with numerical simulations from a climate model tailor-made for "hot Jupiter" exoplanets, a (...)
In an article published on February 21, 2024, in the journal Monthly Notices of the Royal Astronomical Society, an international team including (...)
Officially launched on January 16 at CNES in Paris, the Carioqa space mission will orbit the first quantum sensor by 2030. The mission is (...)
On Thursday January 25, 2024, the European Space Agency’s Scientific Program Committee (SPC) officially approved the start of development of the (...)
A typing error leads to an interesting discovery, as an international team including an astronomer from Observatoire de Paris - PSL has been (...)
In two articles published in July 2023 in the journal Science Advances, and in December 2023 in Astronomy & Astrophysics, an international (...)
◼ Gaia surveys the Solar System Gaia regularly collects data on the positions of asteroids and other Solar System bodies, as part of its (...)
1️⃣ Multiple stars, celestial tangos... Single stars are only a minority: many are in couples, or even threesomes, or more if affinity takes (...)
Gaia’s most innovative instrument is the astrometer, which measures the distances between stars (nearly 1.5 billion distances!). These are (...)
On December 19, 2013, the Gaia satellite lifted off from the Kourou space center in French Guiana. Ten years on, more than 10,000 articles (...)
One of the major objectives of the Gaia mission is to shed light on the structure, formation and evolution of our Galaxy, the Milky Way. In 10 (...)
Commonly thought to be long-lived satellites of our galaxy, a new study now finds indications that most dwarf galaxies might in fact be (...)
Mobilizing several telescopes, both ground-based and space-based, an international team, including three scientists from Observatoire de Paris - (...)
The SKA-Low section of the future SKA giant radio telescope is taking shape in Australia. This was confirmed by members of the SKA Observatory (...)
Obtained by scientists at the Observatoire de la Côte d’Azur, using the Matisse instrument at ESO’s VLTI, new images of Betelgeuse appear in a (...)
Using data provided by the James Webb Space Telescope, an international scientific team, including five researchers from Paris Observatory - (...)
Atomic clocks are among the most accurate measuring instruments in the world, but there is still room for improvement. Today, a collaboration (...)
MICADO, the first light camera for ESO’s Extremely Large Telescope (ELT), is nearing completion of its design phase. The partners of the MICADO (...)
In a study conducted by Paris Observatory - PSL and Sorbonne University, a sedimentary record confirms the strong chaos in the Solar System and (...)
Europe is leaving to conquer Jupiter and its icy moons with the launch of the JUICE mission, on Thursday April 13, 2023, at 2:15 pm (French (...)
A research team involving a researcher from Paris Observatory - PSL has just published the possible discovery of a dust plume emitted by an (...)
The stars in the sky are in motion relative to us: some are approaching - these are the dark areas on the image; others are moving away - the (...)
Supported by the Museum national d’histoire naturelle, the Observatoire de Paris - PSL, the Université Paris-Saclay and the OSU-Pytheas, the (...)
An international team involving researchers from Paris Observatory - PSL and CNRS has discovered and characterized a new exoplanet named (...)
The comet C/2022 E3 (ZTF) is visible in the sky throughout February 2023, even if its brightness allows to perceive it only weakly with the (...)
Three French scientists, including a CNRS researcher from Paris Observatory - PSL, explain in an article published in Science on January 20, (...)
An international team including two CNRS researchers from Paris Observatory - PSL has just discovered with the VLT a rare binary star, because (...)
An international team of physicists has developed a 1,023 km fiber optic link between the SYRTE laboratory of the Observatoire de Paris - PSL (...)
The launch of the NASA SWOT satellite on Thursday, December 15, 2022 opens a new path for satellite altimetry and promises a complete coverage (...)
DART is NASA’s first planetary defense test mission. The Paris Observatory - PSL is a member of the DART Investigation Team. On Tuesday, (...)
At the beginning of September 2022, nine months after its launch, the James Webb Space Telescope provides unprecedented images of an exoplanet, (...)
Through a publication dated August 4, 2022 in The Astrophysical Journal, an international scientific team, including an astrophysicist from (...)
Under the sharp gaze of the Webb Space Telescope, Jupiter is revealed in a new light. Captured in July-August 2022 as part of an "Early Science" (...)
The Observatoire de Paris-PSL opens to the international scientific community the 1st call for observations of its latest generation radio (...)
The first images and spectroscopic data were delivered on July 12, 2022. Anthony Boccaletti, researcher at LESIA (Observatoire de Paris - PSL), (...)
More than 89 years after it was put into service at the Paris Observatory, the speaking clock that can be consulted by everyone by phone will (...)
On Monday, June 13, 2022, the Gaia mission releases a new catalog, containing data for nearly two billion stars in our galaxy. 450 scientists (...)
Scientists from the Paris Observatory - PSL, the Observatoire de la Côte d’Azur and the CNRS have detected a weak perturbation in the motion of (...)
The announcement in 2019 of the detection of water vapor in the atmosphere of K2-18 b, an exoplanet of about 8 Earth masses located in the (...)
The work of an international team has detected 30 comets around the star β Pictoris and determined the size of their nuclei. This is the first (...)
The Observatoire de Paris - PSL is pleased with the official entry of France in the space mission Dragonfly, announced on March 14, 2022 by the (...)
An international team including an astronomer from Paris Observatory -PSL obtains the most detailed and complete study to date of a double star (...)
An international collaboration led by French researchers investigated the formation of the Cassini Division, that divides Saturn’s bright rings. (...)
Thanks to the Very Large Telescope of the European Southern Observatory (ESO VLT) in Chile, astronomers have acquired images of 42 of the most (...)
An international team including French researchers, notably from Paris Observatory - PSL, has shown, for the first time, that the first small (...)
Paris Observatory - PSL is pleased to announce that the European Space Agency has given the green light to continue the development of the PLATO (...)
An international team including researchers from Paris Observatory - PSL, has discovered the least "metallic" stars in the Milky Way. This work (...)
The French teams, including those of the Laboratoire d’études spatiales et d’instrumentation en astrophysique de l’Observatoire de Paris - PSL, (...)
With the discovery of the first exoplanets in the 90’s a new field of exploration of modern astrophysics has appeared. Today, many projects or (...)
On December 12, 2021, comet C/2021 A1 (Leonard) will be at its closest to the Earth, at a little more than 35 million kilometers. The (...)
This time, it’s here! The James Webb Space Telescope, or "Webb", is in Kourou and will be launched by an Ariane rocket on December 22, 2021. (...)
After having predicted its coming, scientists from Paris Observatory - PSL were able to observe on October 7, 2021 in the Chilean sky, a new (...)
Thanks to the European giant radio telescope LOFAR, an international team including researchers from Paris Observatory - PSL, has discovered (...)
A new study conducted by researchers from Paris Observatory - PSL at the Laboratory of Space Studies and Astrophysics Instrumentation on the (...)
At the top of the Roque de Los Muchachos on the island of La Palma in the Canary Islands, the William Herschel telescope has just welcomed its (...)
A very luminous bolide was seen by many witnesses during the night of Sunday September 5, 2021, at 23h 47min (French legal time), from a large (...)
On June 10, 2021, the ESA program committee selected the EnVision mission, thus renewing the exploration of Venus. The realization phase will (...)
On Thursday, June 10, 2021 at midday occurs an annular eclipse of the Sun. In France, it will be observable in a partial form. To allow (...)
The near-Earth asteroid Apophis is being closely monitored on a planetary scale because of its very close passage to the Earth in 2029. For the (...)
After the SEIS seismometer landed on Mars in 2018, Denis Savoie, astronomer at Paris Observatory - PSL at SYRTE and a leading French specialist (...)
Asteroid 2001 FO32 will pass within two million kilometers of our planet on Sunday, March 21, 2021. Should we worry about it? Not really, (...)
On February 24, 2021, in a Nature Portfolio journal, the SYstèmes de Référence Temps Espace (SYTRE) department of Paris Observatory - PSL (...)
Three weeks after the remarkable landing of the Perseverance rover on Mars on February 18, 2021, the SuperCam instrument has just completed its (...)
On Tuesday March 9, 2021, the SPHERE consortium celebrates its 100th scientific publication. It is the crowning of an instrumental success in (...)
After perfecting the VISIR instrument, installed at the VLT, an international team including two researchers from Paris Observatory - PSL (...)
After having played a determining role in the development of SuperCam, the scientific teams of Paris Observatory - PSL at LESIA are preparing to (...)
A team from Paris Observatory - PSL proposes an original model able to explain the mysterious "Fast Radio Bursts" (FRB). The study was (...)
In a study published this Friday, January 22, 2021 in the journal Nature Communications, a new world record for the most stable transmission of (...)
This Monday, December 21, 2020 in the early hours of the night, Jupiter and Saturn are very close together. On this rare phenomenon, the (...)
Using the ALMA radio telescope (Chile), an international team, involving researchers from Paris Observatory - PSL obtains a record of stellar (...)
Produced by the Musée d’art et d’histoire de la Ville de Meudon, the exhibition "Science in Meudon" follows in the footsteps of the major (...)
This Thursday, July 30, 2020, at 1:50 p.m. (Paris time), NASA’s Mars2020 was sent into space from Cape Canaveral. It carries on its board the (...)
A study in press in the European journal Astronomy & Astrophysics shows that aerographite, a form of carbon first synthesized in 2012, has (...)
Nicolas Biver, astrophysicist CNRS at the Paris Observatory - PSL, goes every night to meet the comet NEOWISE to photograph it. With the help of (...)
Between July 30 and August 15, 2020, NASA’s Mars2020 mission will be launched from Cape Canaveral and will take the Perseverance rover to the (...)
At its press conference on 16 July 2020, the European Space Agency released the first images of the Sun obtained in EUV (Extreme Ultra-Violet) (...)
On July 17, 2020 NASA’s next Mars mission, Mars2020, will take off. On board, the Perseverance rover will search for traces of fossil life and (...)
On June 21, 2020, the day after the summer solstice day, an annular eclipse of the Sun occurs. This is the fifteenth such eclipse in the 21ste (...)
Satellites are everywhere and more and more numerous. They’re responding to our greed for data streams. After the era of large satellites in (...)
Scientists from PSL University, within the ENS - PSL and Paris Observatory - PSL, in collaboration with CNRS researchers members of the UMI (...)
This year 2020, the Scientific Grand Prize, on the theme "Exoplanets", is awarded to Jean-Luc Beuzit [Aix-Marseille University, CNRS, CNES, LAM (...)
Two exceptional women, working in laboratories affiliated to the Paris Observatory - PSL are among the 24 laureates who are awarded the CNRS (...)
New observations of the stellar system AB Aurigae were carried out under the direction of a CNRS researcher from Paris Observatory - PSL, using (...)
We recently announced the detection of a very peculiar effect: a star from the center of our Galaxy is "dancing" in orbit around the (...)
The European organisation ESO has embarked on the construction of the Extremely Large Telescope (ELT) in the middle of the Chilean desert. The (...)
BepiColombo passes close to Earth on April 10, 2020 at 06:25 Paris time, before continuing its journey to Mercury. Launched on October 19, 2018 (...)
Using the Dutch-led Low Frequency Array (LOFAR) radio telescope, astronomers have discovered unusual radio waves coming from the nearby red (...)
The analysis of the first results from NASA’s Parker Solar Probe mission, in which participated the Plasma Physics laboratory (CNRS/École (...)
Thanks to data collected by the European astrometric satellite Gaia, the history of the Milky Way is being revealed. In a study published on (...)
Two gamma ray bursts have just broken the current energy record. The most violent cosmic explosions in the Universe produce gamma ray (...)
On November 3rd 2019, the first ever satellite using iodine propulsion was sent into space. This innovation in the history of satellites was (...)
On Tuesday, October 15th 2019, the Solar Orbiter probe was declared as ready and was transferred to its launch site at Cape Canaveral in the (...)
On thursday, October 3rd 2019, the Observatoire de Paris, Orleans University and the CNRS inaugurated at the Nançay radio-astronomical (...)
Climatic questions dominated the news for the month of September: a summit at the United Nations in New York, un sommet des Nations unies à New (...)
For the fiftieth anniversary of Man’s first step on the Moon, on July 20-21 2019, the Paris Observatory will open its own unequalled maps of (...)
An international team of astronomers, including a French scientist at the Paris Observatory - PSL has discovered, using the MeerKAT (...)
Molecular clouds are much more massive in distant galaxies
CNRS scientist at the plasma physics laboratory (CNRS/Ecole polytechnique/Observatoire de Paris/Université Paris-Sud/Sorbonne Université), Ane (...)
Discover the audio report produced by the CNRS Journal, broadcast on July 1, 2019, dedicated to a recent fight by astronomer François Colas of (...)
Le centenaire de l’observation de l’éclipse solaire du 29 mai 1919 par des astronomes britanniques fait l’objet d’un colloque scientifique de (...)
The mystery of why Earth has so much water, allowing our “blue marble” to support an astounding array of life, is clearer with new research into (...)
In December 2018 ESA’s Gaia satellite found three heretofore unknown asteroids. This discovery was confirmed with the help of an extremely (...)
Whenever it passes in front of a star, Pluto provides precious information about its atmosphere, precious because occultations by Pluto are (...)
An international team of scientists from Heidelberg University and from the Paris Observatory’s Laboratory for the study of radiation (...)
With the help of optical interferometry, an international team of scientists led by a CNRS scientist from the Observatoire de Paris – PSL in the (...)
The distance of the Large Magellanic Coud, the closest satellite galaxy to the Milky Way, has been determined with a heretofore unequaled and (...)
On Thursday 17th of January 2019, scientists from the Paris Observatory weer present at the Fred Lawrence Whipple Observatory (Arizona)for (...)
A team of scientists at the time-space reference systems laboratory of the Paris Observatory is improving the efficiency of cold atomic (...)
Exceptional meteorological conditions and a completely clear sky offered Paris Observatory astronomers optimal conditions to observe and (...)
On Sunday December 16th 2018, comet Wirtanen will pass very close to the Earth. In the case of known comets, this will be one of the best (...)
Time flows faster far from the Earth. This prediction, made by Einstein, has been successfully tested by physicists from the Paris (...)
Observations by ALMA and data from the MUSE spectrograph on ESO’s VLT have revealed a colossal fountain of molecular gas powered by a black hole (...)
The first commercial, compact and transportable quantum gravimeter was used during a series of measurement campaigns lasting many days by a team (...)
How can one show that there is transparent ice on Mars? By the very definition of "transparent", the observer sees through the object, and so (...)
ESO’s exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that a supermassive black hole lurks (...)
Un bolide très brillant a été vu ce matin du jeudi 11 octobre 2018, à 7h27 (temps légal français), dans le ciel de la moitié nord de la France, (...)
An international team oàf scientists including French CNRS astrophysicists from the Strasbourg astronomical observatory, from the Côte d’Azur (...)
Partant de l’analyse fine des émissions radio entre Jupiter et son satellite Io, des astrophysiciens de l’Observatoire de Paris - PSL apporte (...)
The movements of over six million stars in the Milky Way have been tracked, revealing that groups of stars follow different courses as they (...)
An international team, coordinated by an astronomer of Observatoire de Paris, using the NASA/ESA Hubble Space telescope have taken a series of (...)
Mardi 17 juillet 2018, le Laboratoire d’études spatiales et d’instrumentation en astrophysique de l’Observatoire de Paris livre à l’Institut de (...)
Une éclipse de Lune sera visible depuis une grande partie du territoire français ce vendredi 27 juillet 2018. L’Institut de mécanique céleste et (...)
Ce 27 juillet 2018, la distance entre Mars et la Terre atteint un minimum. La planète rouge sera dite en grande opposition, montrant une taille (...)
On July 11th 2018, the Paris Observatory will have accumulated 110 years worth of daily observations of the Sun. Its image collection (...)
The SPHERE instrument, installed at ESO’s VLT has enabled one to identify for the first time a protoplanet nested within a transition disc (...)
On Wednesday, June 27, 2018, the Japanese space probe Hayabusa2 reached its target, the ancient asteroid Ryugu. Antonella Barucci, astronomer at (...)
In 2014, thanks to ESO’s SPHERE instrument, strange structures were found in the neighborhood of the star AU Microscopii. Paris Observatory (...)
The Paris Observatory is setting up on its Meudon site one of the prototypes of the « Cherenkov Telescope Array ». This future This upcoming (...)
On March 9th 2018, the qualification model for SuperCam, the instrument which will be flown on NASA’s Rover Mars2020, passed successfully a (...)
In spite of their appearance, «solar tornadoes» do not rotate. That is the conclusion of a team of European scientists, among whom is an (...)
At the Paris Observatory, the Institute for celestial mechanics and ephemeris computation (Institut de mécanique céleste et de calcul des (...)
Its official. On March 20th, 2018, ESA’s programme committee selected the ARIEL mission. It will at last be possible to start making it, to the (...)
Setup on the Meudon site of the Paris Observatory, C2ERES (Campus et Centre de Recherche pour l’Exploration Spatiale) is the space pole of the (...)
«Super», «blue» and «blood red»: the full Moon on January 31st 2018 will display all of these three properties simultaneously. The Institute for (...)
Orbited at 5h20 this Friday, January 12th 2018 by the Indian Space Agency ISRO, the nanosatellite PicSat responded successfully to the first (...)
PicSat will be launched on January 12th 2018 to study continuously the Beta Pictoris system, its exoplanet and its disc, using a 5cm diameter (...)
The Betelgeuse star has a rotation period of about 30 years. With this discovery, published in Astronomy & Astrophysics on January 9, 2018, (...)
Three super Moons will be here, one after the other : December 3rd 2017, followed by ones on the 1st and the 31st of January 2018. The Paris (...)
The proposed MOSAIC multi-object spectrograph will be the workhorse instrument for the future Extremely Large Telescope (ELT), the biggest (...)
On Thursday, October 12th 2017 at 5h42 UTC, at 7h42 French time, the asteroïd number 2012 TC4 will cross the Earth’s orbit, at a distance of 50 (...)
On October 4th 2017, the decameter array at the Nançay radio-astronomical station will celebrate 40 years of uninterrupted observation and work. (...)
Modernized over time since its commissioning at the end of 1977, the Nançay decameter array (NDA) of the Nançay radio astronomy station (...)
On Wednesday, September 27th 2017, the physicists Alain Brillet and Thibault Damour will receive the 2017 CNRS gold medal for their major (...)
On Friday, 15th of September 2017, the Cassini-Huygens probe will dive once and for all into Saturn. A historic event which will be shown in (...)
An article dated June 20th 2017 published in the European journal Astronomy & Astrophysics describes how an international team of (...)
On June 9th 2017, the LESIA will deliver the qualification model of the infra-red spectrometer of the SuperCam instrument. The manufacture of (...)
On Wednesday April 19th 2017 à 14h23French civil time, the asteroid "2014 JO25" will pass by the Earth at a distance of 1,8 million km. The (...)
In a paper published in the March 21st 2017 issue of /Nature Astronomy/ , an international tema of scientists, which includes a Paris (...)
Using the 30 m radiotelescope of the of the Institute for millimetre radio astronomy (IRAM) in the Sierra Nevada in Spain, an international (...)
The European space mission Gaia, launched in 2013, has recently enriched the scope of its sky mapping activities through the commissioning of a (...)
The SuperCam project successfully passed its Critical Design Review on December 7, 8 and 9 2016 at the Los Alamos National Laboratory (...)
The frequency set of the PicSat nanosatellite, designed for the measurement of exoplanetary transits, has been validated by the IARU (...)
Physicists from the Laboratoire photonique numérique et nanosciences (CNRS/Université de Bordeaux/Institut d’optique graduate school), from the (...)
Three astronomers, one from the Observatoire de Paris, demonstrated that Proxima, the closest star to the Sun, is gravitationally linked to its (...)
Five billion years from now, the Sun will grow into a red giant star, more than a hundred times larger than its current size. It will also (...)
The work of Filacchione et al.,published in the November 17th 2016 issue of Science, to which have contributed scientists from the Paris (...)
The work of Fornasier et al. (2016) published on line in the November 17 november 2016 issue of Science shows how the colours of the nucleus of (...)
Two online papers in the November 17th 2016 issue of the journal Science, to which have contributed two Paris Observatory scientist, furnish (...)
The recent publication in November 2016, by three international teams of asgtronomers, which include scientists from the Paris Observatory’s (...)
November 14th 2016 will witness a super Moon. The Institute for celestial mechanics and ephemeris computation of the Paris Observatory has (...)
Thursday 10 November 2016 - Novel image processing techniques have been discussed today at the 2016 SKA Science Conference in Goa, India, as (...)
An international team of scientists led by a member of the Paris Observatory has discovered, with the help of ESO’s 8.2 m VLT telescope, a 13 (...)
Experimental work carried out in the SYRTE department of the Paris Observatory, followed by comparison with a theoretical model developed at (...)
A very rare gravitational lensing event, set to occur in 2028, has been predicted by a team of French astronomers led by Pierre Kervella of the (...)
On Friday, September 30th, 2016, ESA’s space probe Rosetta will complete its mission by landing on the comet which it has been scrutinizing (...)
An international team of scientists, which includes an astrophysicist from the Paris Observatory, has shown that a nova type star has a (...)
Using ESO’s Very Large Telescope, the NASA/ESA consortium’s Hubble space telescope, and NASA’s Chandra X-ray telescope, and international team (...)
In July 2016, the CoRoT team at the Paris Observatory will make available all the data produced by the mission. The light curves of over 160 000 (...)
The NASA mission OSIRIS-REx (Origins Spectral Interpretation Resource Identification Security Regolith Explorer) was launched successfully on (...)
The dwarf planet Ceres is «partially differentiated»: it has a rocky core surrounded by a mantle rich in volatile elements. That is what emerges (...)
The first direct comparison between optical strontium clocks through a 1400 km optical fiber link has been made by a team of French and German (...)
July 16th 2016, the MeerKAT First Light image of the sky, released today by Minister of Science and Technology, Naledi Pandor, shows (...)
After a journey of 5 years, NASA’s Juno probe will station itelf in orbit around Jupiter on July 5th at about 5h35 am, French time. Much is (...)
An international team of scientists, which includes a CNRS scientist at the Paris Observatory, has uncovered a surprising fact: the stellar (...)
For the first time, the newest instrument of all, GRAVITY, was used by a European teeam of scientists - which includes astronomers from the (...)
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has witnessed a cosmic weather event that has (...)
On Monday, May 9th, 2016 will arise a rare astronomical phenomenon: the passage of Mercury in front of the Sun. The Paris Observatory (...)
A rare astronomical phenomenon will take place on monday, 9th of May: the solar transit of Mercury. The Institut de mécanique céleste et de (...)
On March 18, 2016, during the MOSAIC kick-off meeting at the Paris Observatory in the presence of the team(*) led by François Hammer, The (...)
On January 24, 1986, exactly 30 years ago, the Voyager2 mission flew over Uranus, the seventh planet of the solar system. This unique (...)
De revolutionibus Orbium coelestium, the work of Nicolas Copernicus famous, now has a critical edition of the Latin text with French (...)
On 26 November 2015, the "Gamma-ray Cherenkov Telescope" (TAG), telescope prototype proposed for future large international network "Cherenkov (...)
The infrared VIRTIS imaging spectrometer Rosetta has detected the presence of water ice on the surface of the comet, in the area of Imhotep, in (...)
http://voparis-srv.obspm.fr/vo/voeu...
Using the new extreme adaptive optics system SPHERE of ESO’s Very Large Telescope, an international team led by a Paris Observatory astronomer (...)
Even as we celebrated recently the 20th anniversary of the discovery of the first exoplanet 51 Peg b,announced on October 6th 1995, the (...)
A project to digitize old phtographic plates, carried out by an international team which includes scientists from the Institute for celestial (...)
Le samedi 31 octobre 2015 à 18h18 en temps légal français, l’astéroïde baptisé 2015 TB145 va passer au plus près de la Terre. Les astronomes de (...)
An international team led by French researchers from LESIA (Laboratoire d’études spatiales et d’instrumentation en astrophysique – Observatoire (...)
According to a study presented in the journal Nature, involving the participation of researchers from Paris Observatory, from the Laboratory for (...)
Coralie Neiner,CNRS scientist at the Paris Observatory, and Patricia Lampens at the Belgian Royal Observatory, have discovered the very first (...)
Spiral galaxies are believed formed after an initial single collapse while mergers would result in a new galaxy with prominent and classic (...)
Éclipse totale de Lune du 28 septembre : promesse tenue pour les astronomes de l’Observatoire de Paris
Thanks to the unprecedented performance of the SPHERE instrument recently installed at the VLT, , a team of scientists led by Damien Gratadour (...)
The contract for the construction of the MICADO camera was signed on Friday, September 18th. Destined for the future giant telescope E-ELT (...)
Instrument partly designed and built at the Observatory of Paris at the Laboratory for Space Studies and Astrophysics Instrumentation (LESIA), (...)
Appliquée jusqu’à présent dans un cadre hypothétique comme une loi de conservation, l’hélicité magnétique intervient pour mesurer le niveau de (...)
On July 1, 2015, at 2 am in France, it is necessary to delay the watches of a second. Au coeur du département SYRTE © (...)
Wednesday, June 24, 2015, the Paris Observatory, CNRS and CEA and the Region Ile de France inaugurated the platform Gamma-ray Telescope Elements (...)
An international team led by a scientist from the CNRS in the « Galaxies, étoiles, physique, instrumentation » laboratory (GEPI – CNRS/Paris (...)
On the 14th of May 1965, General de Gaulle, president of the Republic, inaugurated at Nançay a large radio telescope at the radioastronomical (...)
Une équipe de recherche franco-espagnole est parvenue à identifier des signes très sérieux de la présence d’un « premier cœur hydrostatique » (...)
The astronomers of the Paris Observatory, working in concert with an international collaboration, have discovered a group of strange red giant (...)
With the help of data furnished by the whole-field spectrograph MUSE, recently installed at the VLT, a team of astronomers led by Ana (...)
The next time change will take place on the night of Sunday, March 29, 2015 for France. This operation is ensured at the Observatory of Paris, (...)
Friday, March 20, 2015 there was a partial solar eclipse, 9 am 20 to 11 h 40 in Ile-de-France. The astronomers of the Paris Observatory, one (...)
While the partial eclipse, which will be visible throughout France on the morning of Friday, March 20th, is definitely an event not to be (...)
After having grazed the comet at a distance of 6km on the 14th of February 2015, the Rosetta probe has furnished an unprecedently high (...)
Dans le cadre d’une campagne d’observations menée sur 5 ans, avec les 5 plus grands radiotélescopes de la planète, incluant notamment celui de (...)
Paris’ Observatory is sponsoring the National Committee of "2015, Year of the Light in France" Au fil des siècles, les hommes ont découvert (...)
The Paris Obsevatory scientists, some of whom have been involved in the Rosetta mission from the very start, lived through an nervewracking (...)
In previous blog posts we’ve heard how VIRTIS is able to map the temperature of the comet’s surface. Now, as Dominique Bockelee-Morvan and (...)
ESO has signed an agreement with a consortium led by the Science and Technology Facilities Council’s UK Astronomy Technology Centre (UK ATC), (...)
All the latest information about Venusian research is now available on the Net via the web site created by EuroVenus, a European project led by (...)
The project of a low frequency radiotelescope – the NenuFAR (New Extension in Nançay Upgrading LOFAR) - has been launched at the Paris (...)
The abundance of lithium has been measured for the first time in old stars outside of our own galaxy. This has been done by an international (...)
Le 22 août 2014, le satellite Gaia de l’ESA débute ses observations en mode nominal de balayage du ciel.
The Rosetta probe has on board VIRTIS, a visible and infra-red imager, designed and built in part at the Paris Observatory, in its Laboratoire (...)
After wandering for over a decade throough the solar system, the ESA space probe Rosetta arrived on the 6th of August 2014 in the neighborhood (...)
In an article published in July 2014 in the journal Monthly Notices of the Royal Astronomical Society, scientists from the Observatory of Paris, (...)
On board Rosetta the MIRO instrument has started to probe comet 67 P/CG. The first measurements have yielded a preliminary etimate for the rate (...)
HESS-II, set up in Namibia and operational since 2012, is the world’s largest gamma ray observatory; it has produced its first results. They (...)
On Tuesday, June 17th 2014, the CoRoT satellite, devised and built under the leadership of the Paris Observatory, received its last telecommand (...)
SPHERE (Spectro-Polarimètre à Haut contraste dédié à la REcherche d’Exoplanètes – « a High Contrast Spectro-Polarimeter for Exoplanet Searches (...)
OSIRIS (Optical, Spectroscopic and Infrared Remote Imaging System), the imaging system on board the European space probe Rosetta, has sent the (...)
Using the ESO VLT telescope a team of european astronomers has identified a super-lithium-rich star in a star cluster. This discovery allowed (...)
An international team has observed the mechanism of « slip-running reconnection », which underlies the creation of solar in the solar corona, (...)
The objective of Rosetta, an ESA space probe, is the study of comet 67P/Churyumov-Gerasimenko. This will be the first mission to try to orbit a (...)
VIRTIS VIRTIS (Visible and Infrared Thermal Imaging Spectrometer) is designed to analyze and map the composition of comet (...)
What are comets made of? Comets are small solar system bodies which turn around the Sun on elliptical orbits. Their nuclei are dark and (...)
Comet 67P/Churyumov-Gerasimenko Comet 67P/Churyumov-Gerasimenko was discovered in September 1969 by two Ukrainian astronomers at the Alma (...)
On thursday February 6th, the Gaia satellite unveiled its "first" image of a field of stars. This is a test image of the young globular (...)
Rosetta : a European interplanetary mission mission to fly over and do an in situ analysis of a comet. A world première! Monday, January 20th at (...)
L’Observatoire de Paris est associé depuis l’origine à la mission Rosetta, à travers l’implication de deux de ses unités de recherche : le (...)
On January 14, with a last important burn, Gaia was injected into its operating orbit, which consists of extended loops around the Lagrange (...)
An international team of astronomers, which includes a scientist from the LERMA (Observatoire de Paris/CNRS/ENS/Université de (...)
Developed by the Laboratoire d’études spatiales et d’instrumentation en astrophysique (Laboratory for space studies and astrophysical (...)
ESA’s Gaia mission blasted off Thursday december, 19th on a Soyuz rocket from Europe’s Spaceport in Kourou, French Guiana, on its exciting (...)
Comet ISON is officially dead : dixit circular CBET 3731 published on December 1st 2013 by the International Astronomical Union. What (...)
Close to 350 scientists associated with the European space observatory Herschel met in Holland from the 15th to the 18th of October 2013 for (...)
Comet C/2012 S1 (ISON) – discovered on September 21st 2012 thanks to a 40 cm telescope of the International Scientific Optical Network (ISON) in (...)
The Île-de-France region is providing financial support for SPIRou, a very promising next generation instrumental project destined for the (...)
The mass, radius and age of the star HD52265 as well as its internal angular velocity of rotation and axial inclination have been extracted (...)
Observations carried out at the Nançay radio-astronomy facility of the Paris Observatory, coupled with other observations made worldwide, have (...)
The definition of the time unit, the second, is based since 1967 on the oscillation period of the caesium atom, but it could change in a not so (...)
At Observatoire de Paris, on Meudon site (Hauts-de-Seine, France) : Jean-Michel Alimi and his six-researchers team are trying to understand how (...)
See what is happening in the region around the supermassive black hole at the heart of our Galaxy : that is what an international team of (...)
This is a rare happening, and a sign that our Sun’s activity wil peak in 2013: over a period spanning just 48h, astrophysicists have observed (...)
Most of the satellite galaxies of the great Andromeda galaxy are confined to a gigantic thin disc. This recent discovery has puzzled the (...)
En raison de la météo, la comète C/2011 L4 Pan-Starrs aura été plus discrète que prévu dans le ciel européen. Les chercheurs de l’Observatoire (...)
A team of European astronomers, which includes a scientist from theObservatoire de Paris, has discovered a giant radio galaxy which had never (...)
An international team of 250 scientists, including scientists from the Observatoire de Paris, associated with ESA’s Planck satellite mission (...)
It will appear in the West at sunset, from around the 8th to the 13th of March 2013, and will be visible to the naked eye up to the end of the (...)