Astronauts get taller when they are in space.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A comet's tail always points away from the sun.
2
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221