thermosphere
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NASA ramps up its efforts to understand space weather
This week, NASA selected three proposals for missions that could help us better understand the Sun-driven space weather that occurs near Earth. Space weather, like solar flares, can impact spacecraft and astronauts, and it has the potential to disable utility grids on the ground. As NASA prepares to send more astronauts to space and we become increasingly reliant on technology, the need to protect both has become more pressing.