Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.
Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their ...
It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...
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