SPACE IS COMPLETELY SILENT
There is no atmosphere in space, which means that sound has no medium or way to travel to be heard. Astronauts use radios to stay in communication while in space, since radio waves can still be send and received.
THE HOTTEST PLANET IN OUR SOLAR SYSTEM IS 450 DEGREES C
Venus is the hottest planet in the solar system and has an average surface temperature of around 450 degrees. Interestingly Venus is not the closet planet to the sun - Mercury is closer but because Mercury has no atmosphere to regulate temperature it has a very large temperature fluctuation.
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