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The Asteroid That Could Wipe Out Civilization
Asteroids Asteroids have been floating in the dark abyss of space for millions of years. They're often called the remnants of ...
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Six planets will align in February. Here's how to see them
In February, six planets will align in the night sky — Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars — and be mostly visible to the naked eye. We find out how to see and more about this ...