New Earth-Like Volcanic World Discovered Just 86 Light-Years Away

The planet, called LP 791-18 d, is akin to both Earth and to Jupiter’s moon Io, the most volcanic world in the solar system, which NASA spacecraft Juno photographed earlier this week.

Published on Wednesday in the journal Nature, a new paper reveals a new, roughly Earth-sized temperate world around a nearby small star that suffers from much the same gravitational tug-of-war from a Neptune-like sister planet that Jupiter’s moons do. As a result it’s expected to have strong volcanic activity on its surface.
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