binary system
plural of stibinine
(astronomy) Two gravitationally connected stars or other celestial objects which orbit around their center of mass.
plural of startler
(geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids.
天文学者たちは、共通の重心の周りを公転する遠方の連星系で、二つの恒星が互いに物質を交換しているのを観測した。
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