The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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Lightning strikes about 6,000 times per minute on this planet!
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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The earth travels through space at 660,000 miles per hour.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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41% of the moon is not visible from earth at any time.
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