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Highlights Published on 16 February 2023

A fragment of asteroid 2023 CX1 found in Normandy

Supported by the Museum national d’histoire naturelle, the Observatoire de Paris - PSL, the Université Paris-Saclay and the OSU-Pytheas, the...
Exhibitions and information Published on 14 February 2023

Three centuries of women astronomers: Louise Dupiery

On the occasion of the International Day of Women and Girls in Science 2023, the Paris Observatory - PSL is highlighting eight little-known women in the...
Highlights Published on 14 February 2023

Detection of small planets around red dwarf stars

An international team involving researchers from Paris Observatory - PSL and CNRS has discovered and characterized a new exoplanet named TOI-1695b. It takes...
Exhibitions and information Published on 11 February 2023

Three centuries of women astronomers : Nicole-Reine Lepaute

On the occasion of the International Day of Women and Girls in Science 2023, the Paris Observatory - PSL is highlighting eight little-known women in the...
Highlights Published on 3 February 2023

Observing comet C/2022 E3 (ZTF)

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 naked eye. The...
Exhibitions and information Published on 27 January 2023

Paris Observatory, partner of "La science se livre" 2023

From Saturday, January 28 to Saturday, February 18, 2023, the event "La Science se livre" will take place in the Hauts-de-Seine. The Observatoire de Paris -...
Highlights Published on 20 January 2023

Why does the heart of the stars rotate less quickly than expected?

Three French scientists, including a CNRS researcher from Paris Observatory - PSL, explain in an article published in Science on January 20, 2023 why the...
Highlights Published on 20 January 2023

Discovery of a rare binary star

An international team including two CNRS researchers from Paris Observatory - PSL has just discovered with the VLT a rare binary star, because very poor in...
Highlights Published on 16 January 2023

Time transmission from Paris to Turin by optical fiber

An international team of physicists has developed a 1,023 km fiber optic link between the SYRTE laboratory of the Observatoire de Paris - PSL and INRIM in...
Administrative news Published on 11 January 2023

Françoise Combes elected vice-president of the Academy of Sciences

Françoise Combes, astrophysicist and specialist in the dynamics of galaxies at the Observatoire de Paris - PSL, professor at the Collège de France and member...