The Inner Planets: Mercury

The video explores Mercury's extreme temperature variations, being the planet with the greatest temperature range in the solar system. It is the second smallest planet, about one-third the size of Earth. In 1974, NASA's Mariner 10 spacecraft provided the first close-up images of Mercury, revealing a heavily cratered surface with high cliffs and expansive plains. Mercury orbits the sun quickly, completing a revolution in 88 Earth days, but rotates slowly, taking 59 Earth days for a full rotation, resulting in long days and nights.

What is the greatest temperature range of any planet in the solar system?

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How does Mercury's size compare to that of Earth?

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What did the Mariner 10 spacecraft reveal about Mercury's surface?

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How long does it take for Mercury to make a complete revolution around the sun?

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Describe the rotation period of Mercury on its axis.

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