Earth is the densest planet in the solar system. The temperature at the Earth's centre (the core) can reach 7,500 °C, which is hotter than the surface of the Sun!
Earth is the only planet whose English name does not derive from a Greek or Roman god.
The name derives from Old English and Germanic. There are many other names for our planet in other languages:
French - Terre
German - Erde
Romanian - Pamint |
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 3rd nearest planet to the Sun
5th largest & 5th smallest
planet
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