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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

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Mercury · position among the eight planets, counting outward from the Sun

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Mercury has a very thin exosphere rather than a substantial atmosphere. Source: Mercury (planet) ↗

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More from Solar System & Beyond

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  1. 24Venus · position among the eight planets, counting outward from the SunRECALL
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    The hottest planet because of its thick greenhouse atmosphere

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  2. 25Earth · position among the eight planets, counting outward from the SunRECALL
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    The only known world with liquid surface oceans

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  3. 26Mars · position among the eight planets, counting outward from the SunRECALL
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    Known as the Red Planet

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