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 | do you know why Mercury shows a much wider rage in temperature then the Earth? | |
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| It's the closest planet to the sun so the day gets SO hot and then at night it radiates the heat all away since it has no atmosphere to hold the heat in. | |
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| What does the surface of Mercury tell us about the history of the planet?? | |
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| Mercury has huge craters on it much like the sun so that tells you it has been hit plenty of times with meteors and comets. its also covered by a small layer of minerals. | |
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| Do you know why mercury is so dense? | |
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| One theory is the massive iron-rich core that takes up about 60% of its total mass. | |
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