[D'autres résultats] SINCE 1996 THE MASS CORONAL EJECTIONS HAVE BEEN STUDIED BY SOHO Update: 07/25/2011 The Sun permanently emits a flux of particles - the solar wind - mainly made up from ion ...Read more
[Send to a friend] [Print] Europe's contribution to solar research Many partners SOHO, launched in 1995, is part of ESA's Horizon 2000 programme. It contributes to international scientific projects studying the relationship between the Sun and the Earth—STSP (Solar Terrestrial Science Progr ...Read more
7 COSPAR 2012 Sun heliosphere and magnetospheres.pdf Universe Sciences - Sciences de l'univers AUTHOR: J.Y. Prado Sun, Heliosphere and Magnetospheres [Fig. 1] [Fig. 2] [Fig. 3] Sciences de l'univers -Universe Sciences 28 Solar and Heliospheric physics The French Solar and Heliophysics communi ...Read more
[Envoyer à un ami] [Imprimer] SOLAR ORBITER Update: 12/20/2012 [Solar Orbiter] [/img/2008/imageZoom.gif] Artist view of Solar Orbiter - credit: ESA The Solar Orbiter project is part of ESA's Cosmic Vision 2015-2025 program. This prog ...Read more
[Send to a friend] [Print] Casolba, enhancing the quality of solar arrays 8 August 2005 On 7 July 2005, CNES successfully completed the Casolba mission, an important flight in the balloon campaign conducted in Teresina, Brazil. The mission served to calibrate satellite solar cells in near-oper ...Read more
[Send to a friend] [Print] Particle flow from the Sun What is the solar wind? The solar wind is the flow of gas and ionized particles resulting from the electromagnetic disturbances of the solar atmosphere, and emitted by the Sun into the interplanetary plasma. Magnetic arcs constantly inte ...Read more
[Send to a friend] [Print] Discovering the Sun's environment The Sun's internal structure The temperature at the Sun's core reaches 15 million degrees and is transmitted as electromagnetic waves, in the infrared, ultraviolet and X-ray spectra. This energy is progressively absorbed by the so ...Read more
[Send to a friend] [Print] Picard Studying solar variability and its possible effects on Earth's climate There are already many satellites observing the Sun. Missions such as Cluster, Double Star, SOHO and STEREO are investigating the solar wind, solar flares and radiation, magnetic field, as ...Read more
[Send to a friend] [Print] Technical data SOHO's strategic position The SOHO observatory is positioned between the Sun and the Earth, at a distance of 1,500,000 km from our planet. It orbits around one of the Lagrange points, where the gravitational forces of the Earth and the Sun are such ...Read more
[Envoyer à un ami] [Imprimer] Selection of Cosmic Vision M1 and M2: France on the front line on Solar orbiter and Euclid Update: 10/04/2011 CNES is highly involved in the conception of the two missions Solar Orbiter and Euclid, now s ...Read more
[Send to a friend] [Print] Voyager missions: at the edge of the Solar System 15 June 2006 Launched nearly 30 years ago, the Voyager 1 space probe is now 100 times further from the Sun than Earth is, some 15 billion km away. With its twin Voyager 2, it is set to go past the edge of the Solar Sy ...Read more
[Send to a friend] [Print] Pluto is no longer a planet 1 September 2006 At its General Assembly in Prague, the International Astronomical Union decided that Pluto should no longer be considered a planet in the Solar System. It shall now be classed in a new category of celestial objects called ...Read more
Power is everything [Send to a friend] [Print] [Photovoltaic cells on a solar array. Credits: CNES] [/img/2008/imageZoom.gif] Photovoltaic cells on a solar array. Credits: CNES All satellite systems need electricity. It is usually supplied by solar panels made up of photovoltaic cells, which c ...Read more
[Envoyer à un ami] [Imprimer] SOHO Page written using the program booklet of CNES (March 2011 edition) Update: 04/19/2011 [/img/2008/imageZoom.gif] The Sun seen by the EIT instrument on board the ESA-NASA's SOHO satellit ...Read more
8 COSPAR 2012 Solar system.pdf Universe Sciences - Sciences de l'univers AUTHOR: F. Rocard Solar System [Fig. 1] [Fig. 2] [Fig. 1] Asteroid (21) Lutetia at closest approach. © ESA 2010 MPS for OSIRIS Team MPS/UPD/LAM/IAA/ RSSD/INTA/UPM/ DASP/IDA [Fig. 2] Mars Express has used its MARSIS radar ...Read more
[Envoyer à un ami] [Imprimer] Nanoparticles detected by STEREO Update: 05/14/2009 A new type of dusts just got discovered in the interstellar medium: nanoparticles which had been accelerated up to several hundreds of kilometers per s ...Read more
[Envoyer à un ami] [Imprimer] Cluster reaches 10th year studying Sun-Earth connections 7 September 2010 It is now a decade since the U.S.-European Cluster quartet of satellites began their mission in space - a good time to review the results of a programme dedicated to the sometimes turbulen ...Read more
[Envoyer à un ami] [Imprimer] CoRoT discovers 7 new planets 14 june 2010 CNES's exoplanet-hunting spacecraft has made a series of new discoveries, reaping a rich harvest of data to help scientists better understand these far- off "solar systems". Several thousand light-years [CoRoT is reg ...Read more
[Envoyer à un ami] [Imprimer] PICARD Page written using the program booklet of CNES (March 2011 edition) Update: 04/20/2011 [/img/2008/imageZoom.gif] Picard Satellite. Credit: CNES/Ill. D. Ducros The objective of the PIC ...Read more
PRESS RELEASE [Send to a friend] [Print] CNES PRESS RELEASE Paris, 3 December 2004 OFFICIAL: PICARD WILL PROBE THE SUN The CNES Board of Directors today gave the go-ahead to reactivate and complete the Picard projec ...Read more
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