The earth travels through space at 660,000 miles per hour.
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The light hitting the earth right now is 30 thousand years old.
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Lightning strikes about 6,000 times per minute on this planet!
158
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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It takes eight and a half minutes for light to get from the sun to earth.
159
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
A comet's tail always points away from the sun.
2