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28-11-2012
The planetary rings may be at the origin of most of the satellites around planets
Two scientists from the Université Nice Sophia Antipolis - Observatoire de la Côte d’Azur and from the Université Paris Diderot and CEA, have just proposed the first model to explain the origin of most of the regular ... More » |
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06-07-2012
The formation of a brown dwarf
A team led by Philippe André du Service d'Astrophysique-Laboratoire AIM du CEA-Irfu has just uncovered the very first stage of the formation of a brown dwarf, one of these tiny stars with a mass just above the planets. Several ... More » |
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30-03-2011
Evidence of red giants with a hydrogen burning shell
Thanks to the data of the NASA Kepler satellite, an international team including Rafael Garcia of the Astrophysical Department at CEA-Irfu [1], succesfully probe the heart of hundreds of giant stars for the first time. The researchers ... More » |
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17-03-2011
First detection of gravity-like waves in a red giant star
Waves traveling inside the core of a giant star have been discovered by a international team of researchers including Rafael A. Garcia, member of the Service d'Astrophysique of CEA-Irfu [1]. The results were obtained using 320-day observations ... More » |
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05-11-2010
An international team of astronomers, including several French researchers, has just completed a precise measurement of the distance to five distant galaxies using the ESA Herschel Space Observatory together with ground-based data from the ... More » |
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26-08-2010
The CoRoT satellite reveals the magnetic cycle of a star
An international team[1] led by a CEA astrophysicist of the AIM Laboratory- Astrophysics Department of the CEA-Irfu has observed, for the first time, the cycle of magnetic activity in a star using stellar seismology - the study of ... More » |
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09-07-2010
The giant gas ring in Leo, formed when two galaxies collided
An international team led by astrophysicists from the Lyon Observatory (CRAL, CNRS/INSU, Université Lyon 1) and the AIM laboratory (CEA-Irfu, CNRS, Université Paris 7) has just shed some light on the origins of the giant gas ring in ... More » |
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09-06-2010
Numerical simulations show new moons forming now from the rings
Numerical simulations peformed by a group of astrophysicists of the AIM-CEA Saclay Laboratory (University Paris Diderot, CEA, CNRS) and the Nice observatory, based on images collected by the Cassini mission, show that some tiny moons of ... More » |
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22-04-2010
Delivery of the Flight Model for a launch planned to take place in 2014
The Astrophysics Department of CEA-Irfu, which has scientific and technical responsibility for the MIRIM imager (Mid Infrared Imager) on the MIRI spectro-imager, one of the major instruments of the forthcoming James Webb Space Telescope ... More » |
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19-12-2009
Herschel discovers hundreds of proto-stars in a dark cloud
The first scientific images of the Herschel Space telescope have just been released during a scientific conference held at Madrid (Spain) on 17 and 18 decembre 2009, only six months after launch. One the most spectacular pictures is the image ... More » |
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07-12-2007
The unexpected shape of the Saturn moons inside the rings (7 Decembre 2007)
The high resolution images provided by the Cassini spacecraft have uncovered a surprising shape for two small Saturn satellites located inside the rings of the giant planet. An international team, leaded by Sébastien Charnoz and ... More » |
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06-07-2007
First astronomical image at 450 µm on APEX with P-ArTéMiS (6 juillet 2007)
The first Astronomical image taken by a new generation of camera called "ArTeMiS-1" were obtained with the APEX telescope in March 2007, at Chajnantor in Chile. This bolometer camera operates in the "submillimetre" domain, ... More » |
