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A team from Paris Observatory, led by Thérèse Encrenaz (LESIA), has just detected for the first time the molecule of carbon monoxide (CO) in (...)
The existence of cooling flows, i.e. gas cooling from high temperatures of millions of degrees in galaxy clusters to a cold phase able to form (...)
An international team led by the Max Planck Institute and including two researchers of Paris Observatory, have observed in the infra-red (...)
EU EUR 1 million Descartes Prize rewards excellence in high-tech and fundamental science Brussels, ln20 novembre 2003 Today in Rome European (...)
A franco-american team of cosmologists [1] conducted by J.-P. Luminet, from Laboratory Universe and Theories (LUTH) at Paris Observatory , (...)
A team from Paris Observatory has just obtained the first coronographic observations with a 4 Quadrant Phase Mask on the VLT (Very Large (...)
[ The Galileo spacecraft (NASA/JPL)->http://www.jpl.nasa.gov/galileo was launched in october 1989, and orbits around Jupiter since December (...)
More than one hundred extra-solar planets were discovered since the first by Mayor and Queloz in 1995; they all are massive planets, similar to (...)
The red giant stars lose a lot of matter during their stay on the Asymptotic Giant Branch, in the form of stellar winds. As the atmosphere of (...)
Moving on its eccentric orbit, Pluto is presently receding from the Sun; between 1979 and 1999 it was inside Neptune’s orbit, but since then it (...)
ESA’s Mars-Express launched from Baïkonour on 2 June 2003, has just tested its instruments successfully in observing the Earth and Moon. (...)
Astronomers at the "Service d’Aéronomie" (CNRS, Université Pierre et Marie Curie and the Université de Versailles, Saint Quentin, France), the (...)
On Wednesday 7 May 2003, the planet Mercury will pass in front of the Sun, and its disk will be visible like a small circular black spot on the (...)
A team of SYRTE (Systèmes de Référence Temps Espace, UMR-CNRS 8630) from Paris Observatory has just established the best upper limit, for a (...)
Because of their low surface brightness, a whole population of galaxies (aptly named "Low Surface Brightness galaxies", or LSBs) has gone almost (...)
Polar ring galaxies are rare and peculiar objects. It is necessary to understand their formation mechanisms, to grasp more insight in galaxy (...)
An international collaboration led by two French astronomers, Martine Mouchet from the Paris-Meudon Observatory and Jean-Marc Bonnet-Bidaud (...)
R127, one of the most spectacular variable massive stars in the Large Magellanic Cloud, has barely been studied from the viewpoint of its (...)
A team of French and American astronomers, led by E. Lellouch, from Paris-Meudon Observatory, has observed the presence of salt (NaCl) in (...)
The atmospheres of giant planets such as Jupiter have a thickness without common measure with that of the atmospheres of telluric planets. The (...)
Cosmologists hope to "hear the shape of space", namely find its topology, by analyzing in detail the temperature fluctuations in the cosmic (...)