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  2. Stellar occultation by asteroid Ultima Thule in Senegal: an opportunity to promote astronomy in Africa

    Date de publication:

    27 Juillet 2018

    On the night of 3–4 August 2018, American, French and Senegalese scientists will be in Senegal to observe as asteroid Ultima Thule (2014 MU69) passes between Earth and a distant star, a phenomenon called stellar occultation, before NASA’s New Horizons spacecraft performs a flyby of this object on 1 January 2019. This observation campaign involves researchers from CNRS, the French national scientific research centre, and the IRD development research institute, with financial support from CNES and the French Embassy in Senegal. The campaign is a chance to promote science culture and raise public awareness around an astronomical event of global interest.

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  3. France-Germany space cooperation CNES and Max Planck Institute sign agreement for SVOM astronomy mission

    Date de publication:

    21 Avril 2017

    CNES President Jean-Yves Le Gall and Kirpal Nandra, Managing Director of the Max Planck Institute for Extraterrestrial Physics (MPE), have signed a memorandum of understanding on Germany’s contribution to the MXT and ECLAIRs instruments that CNES is developing for the French-Chinese SVOM astronomy mission.

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  4. Space cooperation between France and Mexico Agreement on SVOM (astronomy) and GNSS (navigation)

    Date de publication:

    13 Juillet 2015

    On Monday 13 July, on the occasion of the state visit to France of Mr. Enrique Peña Nieto, President of the United Mexican States, the French space centre (CNES), Aix-Marseille University, the French national scientific research centre (CNRS), the National Autonomous University of Mexico (UNAM) and the Mexican National Council for Science and Technology (CONACYT) together signed a letter of intent to develop cooperation in the field of space on the SVOM and GNSS programmes.

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  5. 2009 will be the International Year of Astronomy

    Date de publication:

    6 Janvier 2009

    Declared the International Year of Astronomy by the United Nations and UNESCO, 2009 will give professional and amateur astronomers alike a chance to share their passion with youngsters and the broader public.

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  12. Why is there so little water left on Mars?

    Date de publication:

    24 Juin 2021

    Mars is known for its thin atmosphere, where CO2 dominates and provides most of the atmospheric mass and pressure. In fact, the pressure is similar to that in the Earth’s stratosphere, which is a layer of the atmosphere, at more than 30km above the surface.

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  15. On-line magazines

    Date de publication:

    20 Août 2003

    Air and Space Astronomie Magazine Astronomy Now Ciel et Espace, the magazine of the French astronomy association Espace Magazine NASA Space Science News Sky and Telescope SpacenewsSpace Daily

  16. CNES hosts 143rd ESO Council

    Date de publication:

    10 Octobre 2017

    Tuesday 10 October, the 143rd Council of the European Southern Observatory (ESO) was held for the first time at CNES Head Office in Paris. ESO is the pre-eminent intergovernmental science and technology organization in astronomy, with an ambitious programme focused on the design, construction and operation of powerful ground-based observing facilities for astronomy. It also plays a leading role in promoting and organizing cooperation in astronomical research.

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  17. Technical characteristics

    Date de publication:

    4 Février 2020

    Soyuz ST is a variant of Soyuz 2 adapted to weather conditions in French Guiana and to the requirements of the French Space Operations Act (FSOA).

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  18. Cassini- Tracking Saturn’s great storm

    Date de publication:

    3 Janvier 2018

    A giant storm raged in Saturn’s atmosphere from 2010 to 2011. To understand the effects of this planetary-scale disturbance, scientists pored over the 13 years of data from the Cassini spacecraft to analyse temperatures and wind dynamics. We talk to Sandrine Guerlet, research scientist at the LMD dynamic meteorology laboratory and co-author of an article on this subject in the journal Nature Astronomy.

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  19. What do we know about Mars’ interior?

    Date de publication:

    26 Novembre 2018

    The first missions to reach the surface of Mars date back 40 years, but many mysteries still lie beneath its top layer of iron oxide. To delve deeper into the red planet, the InSight lander is carrying a system able to drill down to five metres and sound Mars’ surface over a radius of thousands of kilometres. Following its arrival on Mars, we talk about what we already know and what we hope to discover there with CNES’s Francis Rocard, head of Solar System Exploration programmes, and Philippe Laudet, SEIS project leader for InSight and head of the agency’s Astronomy and Astrophysics programme.

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