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Current research

Page 35 - results 341 to 350
Highlights Published on 15 November 2013

ISON: the comet of the century?

Comet C/2012 S1 (ISON) – discovered on September 21st 2012 thanks to a 40 cm telescope of the International Scientific Optical Network (ISON) in Russie –...
Highlights Published on 13 November 2013

SPIRou : involvement of the Ile-de-France Region

The Île-de-France region is providing financial support for SPIRou, a very promising next generation instrumental project destined for the Canada France...
Highlights Published on 3 September 2013

Combined study of a star with its planet : the case of HD52265

The mass, radius and age of the star HD52265 as well as its internal angular velocity of rotation and axial inclination have been extracted from a...
Highlights Published on 3 September 2013

The central black hole of our galaxy is the seat of a strong magnetic field

Observations carried out at the Nançay radio-astronomy facility of the Paris Observatory, coupled with other observations made worldwide, have shown that a...
Highlights Published on 17 July 2013

Optical lattice clocks: towards a new definition of the second?

The definition of the time unit, the second, is based since 1967 on the oscillation period of the caesium atom, but it could change in a not so remote...
Highlights Published on 29 May 2013

Big Computation of Universe : the movie

At Observatoire de Paris, on Meudon site (Hauts-de-Seine, France) : Jean-Michel Alimi and his six-researchers team are trying to understand how the Universe...
Highlights Published on 28 May 2013

Herschel zooms into the vicinity of black hole at the heart of our Galaxy

See what is happening in the region around the supermassive black hole at the heart of our Galaxy : that is what an international team of scientists, which...
Highlights Published on 16 May 2013

Four powerful salvos from the Sun

This is a rare happening, and a sign that our Sun’s activity wil peak in 2013: over a period spanning just 48h, astrophysicists have observed four...
Highlights Published on 7 May 2013

Andromeda’s satellite galaxies: the relic of a major merger?

Most of the satellite galaxies of the great Andromeda galaxy are confined to a gigantic thin disc. This recent discovery has puzzled the astronomical...
Highlights Published on 4 April 2013

Comète de mars 2013 : les images et vidéos

En raison de la météo, la comète C/2011 L4 Pan-Starrs aura été plus discrète que prévu dans le ciel européen. Les chercheurs de l’Observatoire de Paris...