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Published on 1 December 2003

First detection of CO in Uranus

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 atmosphere...
Published on 1 December 2003

First proof of cold molecular gas associated to a cooling flow

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 stars, has...
Published on 1 November 2003

Some teams of Paris Observatory are among the teams honored by the European Descartes Price, in 2003

EU EUR 1 million Descartes Prize rewards excellence in high-tech and fundamental science Brussels, ln20 novembre 2003 Today in Rome European Research...
Published on 1 October 2003

A finite dodecahedral Universe

A franco-american team of cosmologists [1] conducted by J.-P. Luminet, from Laboratory Universe and Theories (LUTH) at Paris Observatory , has proposed...
Published on 1 October 2003

First coronographic observations using a 4 Quadrant Phase Mask on the VLT

A team from Paris Observatory has just obtained the first coronographic observations with a 4 Quadrant Phase Mask on the VLT (Very Large Telescope) of ESO....
Published on 1 September 2003

End of the journey for Galileo: October 1989- September 2003

The Galileo spacecraft (NASA/JPL) was launched in october 1989, and orbits around Jupiter since December 1995. Its odyssey in the Solar System will take an...
Published on 1 September 2003

Perspective of discovering true analogs of Jupiter around nearby stars with ALMA

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 Jupiter...
Published on 1 July 2003

How is our Galaxy enriched in carbon?

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 these stars is...
Published on 1 July 2003

Drastic expansion of Pluto’s atmosphere as revealed by stellar occultations

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 has again...