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![]() Paris, France (ESA) Jan 19, 2010 ESA and NASA are inviting scientists from across the world to propose instruments for their joint Mars mission, the ExoMars Trace Gas Orbiter. Scheduled for launch in 2016, the spacecraft will focus on understanding the rarest constituents of the martian atmosphere, including the mysterious methane that could signal life on Mars. Establishing whether life ever existed, or is still active on Mars today, is one of the outstanding scientific quests of our time. Both missions in the ExoMars programme will address this important goal. The first spacecraft is the Trace Gas Orbiter, which ESA will build and NASA will launch. ... read more |
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![]() Las Cruces NM (SPX) Jan 18, 2010 All life on planet Earth owes its existence to the sun. The sun's rays are where we derive our vitamin D and where most plants get their energy to go through photosynthesis. It was worshipped as a deity by ancient cultures and its power is now harnessed as a source of renewable energy. The sun is a star at the center of our solar system. Its mass makes up more than 99 percent of the mass of our solar system and is 109 times the size of the planet we call home. ... read more |
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