Science
NASA says the seven TRAPPIST-1 rocky planets are likely made from the same material – SlashGear
NASA has been studying a red dwarf star called TRAPPIST-1, home to the largest group of Earth-sized planets ever found in a single solar system. TRAPPIST-1 is about…

NASA has been studying a red dwarf star called TRAPPIST-1, home to the largest group of Earth-sized planets ever found in a single solar system. TRAPPIST-1 is about 40 light-years away, and the seven rocky planets are an excellent example of the variety of planetary systems in the universe. A new study was published this week showing that all of the planets in the stellar system have a remarkably similar density.
NASA scientists believe that the similar density could mean they all contain roughly…
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