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Published on 5 January 2017

An extra second during New Year’s night

On January 1st 2017, at one o’clock in the morning (French time), you will have to slow down all time-pieces by just one second. Exceptionally, the length...
Published on 13 December 2016

A definitive proof for the hierarchical model of galaxy formation

To understand the formation of giant galaxies such as the Milky Way is one of the major challenges for today’s astrophysics. There are two competing models:...
Published on 18 November 2016

First determination of Saturn’s deformation by tides

Using several thousand images of Saturn’s moons recorded by the Cassini orbiter (NASA/ESA), an international team led by an astronomer at the Institute of...
Published on 21 September 2016

An annular eclipse of the Sun for September 2016

An annular solar eclipse will take place on Thursday, September 1st 2016: it will be observable from Reunion Island. Astronomers from the Paris...
Published on 14 September 2016

The Gaia satellite furnishes the positions of a billion stars

Having mapped a billion stars in a thousand days, European scientists are not frightened by herculean taks. This work was done by 450 scientists from 25...
Published on 1 July 2016

Exoplanets et cinema : a new playground for the scientists at the Observatory and the students at La Fémis !"

Paris, June 30th 2016 - La Fémis and the Paris Observatory have decided to establish a number of first ever collaborations between students and...
Published on 24 June 2016

"Siphoning"a star: a laser reconstitution

An international collaboration has managed to reproduce in the laboratory the extreme physical phenomena which are observed in stellar systems known as...
Published on 16 June 2016

LISA PATHFINDER surpasses waits

Mission accomplie pour le satellite LISA Pathfinder, après seulement deux mois d’opérations scientifiques. Non seulement les technologies nécessaires pour le...
Published on 31 May 2016

Official launching of FRIPON, a French camera network to watch the sky and track meteorites

Tuesday May 31st, 2016 marks the official launch of FRIPON, a unique interconnected network to search for meteorites. Eventually comprising 100 cameras...
Published on 24 February 2016

Searching for Planet 9

Using observations from the Cassini spacecraft, a team of astronomers from Observatoire de Paris and Observatoire de la Côte d’Azur have been able to specify...