Seven things to know about the new planets discovered by NASA
Seven things to know about the new planets discovered by NASA
February 23, 2017 2:46 PM
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Skymet Weather Team
The mass of the seventh planet is yet to be measured. But scientists say that it is very much likely that the planet will be covered in ice. The ultra-cool dwarf star, TRAPPIST-1, is almost the same size of Jupiter in our solar system.