planetary system
Abbreviation of rhythm and blues. / Ellipsis of contemporary R&B.
plural of gravastar
(physics) the branch of physics which deals with the influence of a magnetic field on optical phenomena
A group of smaller bodies (such as planets or asteroids) that orbit one or more stars.
遠くにある惑星系の発見は、惑星がどのように形成されるかについての私たちの理解を変えました。
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