Wednesday, January 26, 2011

Mercury

• Mercury during the day the temperature on mercury can become as hot as 400*C.
• planets- Mercury,Venus,Earth,and Mars are called inner planets.
mercury has  a  thin atmosphere because of its low surface gravity and high surface temperature.
•Mercury is the first planet closes to the sun.
•Mercury does not have rings.
•at night,the temperature cools to -150*C.

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