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Published on 9 December 2013

The universal nature of stellar granulation unveiled

The CoRoT satellite has provided the first clear photometric signature of the granulation in stars other than the Sun. These observations have also revealed...
Published on 15 November 2013

The most evolved red giants vibrate like the Sun

An international team of astronomers, led by scientists from the LESIA department of the Paris Observatory (Observatoire de Paris/CNRS/Université Paris...
Published on 22 October 2013

One Thousand and One Planets

Much time has massed since the eighties when astronomers asked themselves (as did the ancient Greeks) if the Sun is the only star surrounded by planets. 25...
Published on 16 October 2013

ALMA discovers an outflow of molecular gas in a nearby spiral galaxy

Every galaxy hosts in its nucleus a supermassive black hole, which becomes very luminous when it swallows some gas: it is called then an Active Galactic...
Published on 29 June 2013

Jean Schneider, record keeper of the extrasolar planets

Since 1995, nearly 1000 extrasolar planets have been discovered. Their number increases more and more rapidly. It is essential to catalog them with all their...
Published on 5 May 2013

Experimental proof of major influence of micron-sized dust particles on the interstellar gas

A French-Dutch team of astronomers, including a researcher from Kapteyn Astronomical Institute of the University of Groningen, and a team of Paris...
Published on 20 March 2013

Black holes could form faster than we think

A group of astronomers at Paris Observatory has undertaken a detailed study on the black hole formation mechanism during supernova explosion. This study is...
Published on 6 March 2013

The birth of a convective core in a young star modifies its magnetic field

Researchers from the Observatoire de Paris and of the Service d’Astrophysique-Laboratoire AIM du CEA-Irfu have just observed an unexpected change of...
Published on 25 February 2013

An asteroid belt around a recyled pulsar ?

High precision times of arrival measurements on the recycled pulsar B1937+21 made with four different radiotelescopes (Arecibo, Effelsberg, Nançay and...
Published on 19 February 2013

Chameleon pulsar takes astronomers by surprise

An international collaboration which includes French scientists from Université d’Orléans, CNRS, Observatoire de la Côte d’Azur, Observatoire de Lyon and...