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15 Things You Might Not Have Known About Space
13Â Mercury
I bet you thought that Mercury was the hottest planet in our Solar System and thatâs why we use the name for the red stuff in thermometers. Well it isnât. It has no atmosphere and so the heat escapes at night. Due to Venusâ thick cloud cover, it is actually the hottest. 932 degrees Fahrenheit sound like a nice day out to you?