Astronomers measure both mass and distance of a rogue planet for the first time

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free of any particular gravitational attachments. Astronomers refer to these lonely planets as “free-floating” or “rogue” planets.

发布者:Dr.Durant,转转请注明出处:https://robotalks.cn/astronomers-measure-both-mass-and-distance-of-a-rogue-planet-for-the-first-time/

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