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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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A luminous galaxy filled with stars and distant planets

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Martian dust scatters colors differently from molecules in Earth's atmosphere. Red light fills much of the Martian sky, while blue light is concentrated near the Sun at sunrise and sunset.

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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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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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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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