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A day on Venus is longer than its year
Venus takes about 243 Earth days to rotate once but only about 225 Earth days to orbit the Sun.
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Space facts, with the why included.
Planets, moons, and the surprising mechanics of our solar system. Each claim includes context and a source you can inspect.
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The space station sees about 16 sunrises a day
The International Space Station circles Earth roughly every 90 minutes, giving its crew about 16 sunrises and sunsets in 24 hours.
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Sunsets on Mars can appear blue
Near the setting Sun, fine dust in the Martian atmosphere can produce a blue glow instead of the red sunset familiar on Earth.
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Uranus rotates on its side
Uranus has an axial tilt of about 98 degrees, so the planet appears to roll around the Sun on its side.
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Triton orbits Neptune backward
Neptune's largest moon, Triton, travels around the planet in the direction opposite Neptune's rotation.
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