Only 55% of Americans know that the sun is a star.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Astronauts cannot burp in space.
232
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8