Recently, astronomers have been finding protoplanetary discs around certain stars. Their discovery has helped kick off a new work in planetary formation theory. But planets aren’t the objects that form from discs of material in space. Moons do too. Now, scientists led by Dr. Tomas Stolker of Leiden University and his team have delved deeper into the characteristics of a “protolunar” disc surrounding a “super Jupiter” exoplanet about 500 light-years away.
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