Space probe Rosetta comet will come close Wednesday




The Rosetta spacecraft will arrive Wednesday after a ten year journey close to the comet 67P / Tsjoerjoemov-Gerasimenko. This is the first satellite that will. The “comet hunter” has now passed six billion kilometers.

The European Space Agency ESA Rosetta wants to make pictures show the surface of the comet and measurements carried out in order to expand. Include knowledge of the exact composition of comets That happens in the course of two years when the comet gets to the inner part of the solar system; Rosetta will orbit around the comet around during that period. The probe can measure the changes that occur as the comet gets closer to the sun.

Rosetta is since 2004 the move and has taken over six billion kilometers in recent years. Meanwhile, the spacecraft near the comet and will be in November from thirty kilometers up a lander lowered, which will pin down on the surface. The landing is difficult, because the gravity of the comet is not so great because the mass is much less than, say, a planet.

The approach of the comet is between eleven and eleven thirty Dutch time and is on the site of Rosetta live to follow. The spacecraft is more than 404 million kilometers from Earth, so the signal takes more than 22 minutes to reach the Earth.

Because it was far away from the sun and the solar panels thereby generated enough power, during part of the journey Rosetta various non-essential elements of the satellite for a period of 31 months were eliminated. Meanwhile Rosetta closer to the sun come, and the highly efficient panels, which have been developed by the Dutch company Dutch Space can be used again.

Update, 9:59: In the first instance was in this article that Rosetta would all countries Wednesday but that only happens in November.

Update 2, 13:50: Meanwhile, Rosetta came to the comet and the probe has a photo sent back to Earth.


Rosetta’s photo of the comet on Wednesday


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