HD 40307g :: A Super Earth

5,001.500,00

Twice as big in volume as the Earth, HD 40307g or Super Earth straddles the line between “Super-Earth” and “mini-Neptune” and scientists aren’t sure if it has a rocky surface or one that’s buried beneath thick layers of gas and ice. One thing is certain though: at eight times the Earth’s mass, its gravitational pull is much, much stronger. Credit: NASA/JPL-Caltech.

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HD 40307g :: A Super Earth
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