NASA imaged Christmas hippo asteroid with radar

Photo of NASA imaged Christmas hippo asteroid with radar
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NASA was excited about the very close pass by of near-Earth asteroid 2003 SD220 recently. The reason that NASA was so aflutter is that the asteroid made the closest pass to Earth than any asteroid has made in the last 400 years. The next time that an asteroid comes as close to the Earth will be in 2070. While the … Continue reading
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