Chances of asteroid striking Earth in the next decade has nearly doubled, NASA says
The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA astronomers.
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Lab Work Digs Into Gullies Seen on Giant Asteroid Vesta by NASA’s Dawn
But on some worlds, including the giant asteroid Vesta that NASA’s Dawn mission explored, the surfaces also contain deep channels, or gullies, whose origins are not fully understood. A prime ...