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NASA debates where to land on Mars 鈥� but are we ready to go?
Last week the space agency held its first meeting about where to land humans on Mars, but such a mission still has decades of technological hurdles to overcome
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Last week the space agency held its first meeting about where to land humans on Mars, but such a mission still has decades of technological hurdles to overcome
The European Space Agency's comet team are celebrating perihelion, the day when comet 67P swings around the sun, taking Rosetta along for the ride