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

      Publishing date:

      June 24, 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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    2. Launch of French-Chinese CFOSat satellite- CNES and CNRS join forces to study climate change in the world’s oceans

      Publishing date:

      October 22, 2018

      The French-Chinese CFOSat satellite will be launched on Monday 29 October atop a Chinese Long March 2C vehicle from the Jiuquan launch base in Inner Mongolia. This science mission to study ocean surface winds and waves is the first joint project pursued under French-Chinese space cooperation. Developed by CNES and the China National Space Administration (CNSA), the satellite will carry two radar instruments: SWIM (Surface Waves Investigation and Monitoring), developed by France, which will survey the length, height and direction of waves; and SCAT (wind SCATterometer), developed by China, which will measure the strength and direction of winds. The two instruments will enable measurements of winds and waves to be acquired simultaneously for the first time. CFOSat will thus characterize the dynamics of waves and how they interact with surface winds more comprehensively than ever before.

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    3. Ségolène Royal, Minister for the Environment, Energy and Maritime Affairs, in charge of international climate relations, announces launch of MicroCarb mission at the Toulouse Space Centre

      Publishing date:

      March 10, 2017

      Friday 10 March, Ségolène Royal, Minister for the Environment, Energy and Maritime Affairs, in charge of international climate relations, and Louis Schweizer, the Commissioner General for Investment, visited the Toulouse Space Centre where they were received by CNES President Jean-Yves Le Gall and Geneviève Campan, Director of Digital Technologies and Operations and the centre’s Site Director.

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    4. Picard and PRISMA transferred to launch silo

      Publishing date:

      June 8, 2010

      The Picard and PRISMA satellites, encapsulated inside the upper composite of the Dnepr launch vehicle on 4 June, were transferred to the launch silo this Tuesday in readiness for lift-off in one week’s time.

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    5. Venus Express to launch on November 9

      Publishing date:

      November 7, 2005

      After a launch delay of several days, Venus Express is now all set to go. The European spacecraft dedicated to studying the atmosphere of Venus will launch atop a Soyuz-Fregat vehicle on 9 November from the Baikonur Cosmodrome in Kazakhstan. CNES is a partner on this mission.

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    6. [Replay] Soyuz launch VS19, Metop-C (IASI)

      Publishing date:

      October 31, 2018

      Soyuz rocket orbited the Metop-C satellite and french meteorological instrument IASI, from the Guiana Space Center in the night of 6 to 7 November 2018. Watch again the launch on that page.

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    7. France-United States space cooperation CNES and NASA celebrate 25th anniversary of launch of TOPEX/Poseidon satellite altimetry mission by Ariane

      Publishing date:

      August 11, 2017

      Thursday 10 August, CNES was with NASA at the Jet Propulsion Laboratory (JPL) in Pasadena to mark the 25th anniversary of the launch by Ariane of the TOPEX/Poseidon ocean altimetry satellite. On this occasion, CNES President Jean-Yves Le Gall met JPL Director Michael Watkins to reflect on the successes achieved in 25 years and to pave the way for closer space cooperation between France and the United States.

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    8. [Live] Ariane 5 launch- BepiColombo (VA245)

      Publishing date:

      October 15, 2018

      An another successful mission for Ariane 5: the European BepiColombo mission lifted off from Europe’s Spaceport in Kourou, French Guiana on October 19th.

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    9. Ariane 5 launch (100th) on 25 September 2018 (VA243)

      Publishing date:

      July 26, 2018

      Ariane 5 orbited two telecommunications satellites from the Guiana Space Centre (CSG) in French Guiana: Horizons 3e for Intelsat and its partner SKY Perfect JSAT Corporation; along with Azerspace-2/Intelsat 38, for Azercosmos and Intelsat. Liftoff happened on September, 26 at 0:38 (Paris time).

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    10. Ariane 5 launch (Galileo) on 25 July 2018

      Publishing date:

      July 25, 2018

      Ariane 5 ES orbited four more satellites (satellites 23 to 26) for the Galileo constellation. Liftoff happened at 13:25 (Paris time).

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    11. Paving the way for future launchers- CNES and ArianeGroup launch ArianeWorks acceleration platform

      Publishing date:

      February 21, 2019

      Thursday 21 February in Paris, in the presence of Frédérique Vidal, the French Minister for Higher Education, Research and Innovation, CNES President Jean-Yves Le Gall and ArianeGroup CEO André-Hubert Roussel signed a memorandum of understanding (MoU) to create an acceleration platform dedicated to the preparation of future launchers. To be called ArianeWorks, the new platform will boost innovation for future launcher development by bringing teams together under one roof and connecting them to Europe’s space ecosystem.

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    13. Ariane 5 launch on 5 April 2018

      Publishing date:

      April 6, 2018

      Ariane 5 ECA orbited 2 telecommunications satellites DSN-1/Superbird-8 and HYLAS 4 from the Guiana Space Centre on April 5, 2018. Liftoff at 23:34 (Paris time). Watch the replay on that page !

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    15. Assembly and launch facilities

      Publishing date:

      November 20, 2020

      Ariane 5 is operated from CNES’s Guiana Space Centre (CSG) in Kourou, French Guiana. Before being shipped across the Atlantic, the launcher elements manufactured all over Europe are sent to the ports of Le Havre, Rotterdam and Bremen. They are then loaded in containers onto two ships, the MN Toucan and MN Colibri. On arrival in French Guiana at the port of Pariacabo, they are trucked to the CSG in an oversize convoy. For safety reasons, Ariane 5 activities are spread across different infrastructures covering more than 2,000 hectares (21 km²) of the CSG’s 69,000 hectares. The main buildings through which Ariane 5 elements pass on their way to launch are detailed below.

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    17. [Replay] Soyuz launch VS20 (CSO-1)

      Publishing date:

      October 31, 2018

      Soyuz rocket orbited CSO-1 satellite from our French Guiana Space Center on December 19, 2018. Launch initialy scheduled on December 18, 2018 had been postponed by 24 hours due to unfavorable high-altitude wind conditions. Watch again the replay on that page.

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    18. 363RD SESSION OF CNES BOARD OF DIRECTORS GIVES GO-AHEAD FOR PEGASE AND POLLUX

      Publishing date:

      July 10, 2020

      Friday 10 July, CNES’s Board of Directors convened for its 363rd session at the agency’s Head Office in Paris Les Halles. At today’s meeting, the Board gave the go-ahead to engage France in the PEGASE and POLLUX programmes.

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    19. CNES gives presentation at 15th annual conference organized by Technion France “Galileo and autonomous vehicles”

      Publishing date:

      December 11, 2017

      Monday 11 December, the 15th annual Technion France conference was held under the high patronage of President Emmanuel Macron at the Maison de la Chimie in Paris. CNES President Jean-Yves Le Gall spoke at the session on urban mobility and connectivity, where he underlined the role that Europe’s Galileo geolocation system is set to play in the advent of autonomous vehicles.

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