Topic: Aerospace Corporation
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Falling satellite: 10 times space junk has crashed into Earth
Falling satellite trackers at NASA say it will hit Friday night or Saturday morning and has a small chance of crashing in the US. But the precise track and timing of the falling satellite is still hard to predict. Falling space junk has happened before, however, including these 10 examples.
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Falling satellite: 10 times space junk has crashed into Earth
Falling satellite trackers at NASA say it will hit Friday night or Saturday morning and has a small chance of crashing in the US. But the precise track and timing of the falling satellite is still hard to predict. Falling space junk has happened before, however, including these 10 examples.
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In race to replace space shuttles, NASA boosts four front-runners
NASA is turning to private companies to replace the space shuttles, and it will give four proposals from the likes of Boeing and SpaceX $269 million this year.
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Will space tourists be Earth polluters? Scientists sound a warning.
As firms prepare to launch the space tourism business, one study warns that the soot from the suborbital crafts' hybrid rocket motors could collect in the stratosphere and warm the poles.
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Space tourism will drive climate change, study suggests
As space tourism increases, the soot and carbon dioxide emitted from rockets will contribute to climate change, new computer models predict.
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Alien worlds? Far-off galaxies? Study sets US space priorities.
The National Research Council's once-a-decade study, released Friday, proposes the top priorities for US space science during the coming decade. NASA uses it as a blueprint.
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Discoveries
Have your say on NASA's human-spaceflight plans
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Discoveries
As rocket launches increase, ozone layer could feel the heat
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Letters to the Editor
Readers write about weapons in space, big-league responsibility, and the housing market.








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