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Astronomers detected signs of weather on a planet known as HAT-P-7 b, which is about 1,045 light years away from Earth. The planet's winds blow at speeds of thousands of kilometers per hour and its clouds appear to be made of corundum, the same mineral as rubies and sapphires.   

Image credits:

Abigail Malate, Staff Illustrator

Rights information:

Copyright American Institute of Physics (reprinting information)