In February of 2017, a team of European astronomers announced the discovery of a seven-planet system orbiting the nearby star TRAPPIST-1. Aside from the fact that all seven planets were rocky, there was the added bonus of three of them orbiting within TRAPPIST-1ís habitable zone. Since that time, multiple studies have been conducted to determine […]
The post One of the Trappist-1 Planets Has an Iron Core appeared first on Universe Today.


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