EARTH

Earth's diameter is approximately 501.65 miles. It's atmosphere contains a mixture of nitrogen,oxygen,and other gases.

The earth's surface features are mountain ranges,land,oceans,shapes,and topography. The temperature is from 14C- 70.7C.

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• It's distance from the sun to the moon is 92.96 million miles.
• It's orbit around the sun takes 365 earth days.

Earth has one moon only. It is called "Luna"

MERCURY

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• Mercury's size in diameter is approximately 303.2k miles.
• It's atmosphere contains small amounts of hydrogen, helium, oxygen and small amounts of sodium, potassium, calcium, and magnesium.

It's surface features is heavily cratered and has a similar appearance to our moon. It's temperature is from -173C during night to 427C during the day.

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• The distance from the sun to mercury is 1.5x as far from the sun as it is to perihelion.
• It's orbit around the sun takes up to 187.97 earth days.

Mercury doesn't have a moon

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