Space
We may have seen signs of an exomoon spewing out volcanic gas
Astronomers have spotted a plume of sodium near a distant planet. The gas is so far from the surface that they say it must have come from a volcanic exomoon
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Astronomers have spotted a plume of sodium near a distant planet. The gas is so far from the surface that they say it must have come from a volcanic exomoon
A planet 370 light years away appears to be surrounded by a disc of dust the like of which we鈥檝e never seen before. It may eventually turn into rings or moons