Communiqués de presse de 2012
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The new definition of the astronomical unit: exactly 149 597 870 700m
At its general assembly, held in Peking from the 20t to the 31st of August 2012, the International Astronomical Union (IAU) adopted a new definition of the...
Solar flares energy : no apocalypse
Six times the energy of the most violent anger ever heard from the Sun… This is 10 million times the electricity consumed during a year in the world… and 3...
A comet belt around the planetary system of the red dwarf star GJ581
Using ESA’s Herschel space telescope , astronomers have uncovered a ring of debris around the red dwarf GJ581. This star, 20 light years from us, is already...
The discovery of a new interstellar molecule confirms that there is a petrol refinery in our galaxy
An international team of scientists has detected a new interstellar molecule right in our galaxy. This hydrocarbon cation, C3H+, is a member of the family...
The dwarf planet Makemake has no atmosphere !
An international observing campaign carried out in Latin America by, among others, nine scientists from the Paris Observatory, the Pierre et Marie Curie...
The Observatoire de Paris is participating in the Fête de la science 2012
A major astronomical research center, the Observatoire de Paris, is taking part in the Fête de la science and will open its doors to the public on Saturday...
European heritage days The Observatoire de Paris opens its doors
As always, the Observatoire de Paris, an important astrophysics research centre, will be participating in the European heritage days, and will allow the...
On the outside of the International Space Station, vegetable seeds survive
Seeds can survive being in space, especially if they are protected from UV light. That is the conclusion of three French scientists from the INRA and from...
Addition of a leap second
During the night of June 30th to July 1st 2012, just before 0h 00min 00s UTC, an extra second was added to civil time world-wide. In France, in view of...
5th-6th June 2012: transit of Venus in front of the Sun. A new instrument. A french scientific expedition
This will be the last time this century. Between the 5th and 6th of June, 2012, the planet Venus will transit in front of the Sun. This is a rare...