binary star
binary star — 名詞
1. two stars locked in orbit around one another by the pull of gravity; also, eithe
雙星
彼此環繞運行的兩顆恆星
two stars locked in orbit around one another by the pull of gravity; also, either star in such a pair
Through his telescope, Reuben spotted a binary star glowing faintly in the constellation Cygnus.
透過望遠鏡，Reuben 在天鵝座中看見一顆微微發光的雙星。
spotted + binary star + in [constellation]
Astrid drew a diagram showing a binary star with two suns circling a common point.
Astrid 畫了一張示意圖，展示兩顆太陽圍繞一個共同點運行的雙星。
On a clear winter night, Apinya aimed her telescope at Sirius and made out the binary star's tiny white-dwarf companion.
在一個晴朗的冬夜，Apinya 將望遠鏡對準天狼星，辨認出雙星那顆微小的白矮星伴星。
At Chile's Paranal Observatory, Wei watched a binary star resolve into two sharp points of light on the monitor.
在智利的帕瑞納天文臺，Wei 看著螢幕上一顆雙星分解成兩個清晰的光點。
Every six hours, the binary star's light dipped sharply — Ayana was watching two suns take turns eclipsing each other.
每六個小時，那顆雙星的光芒就會明顯變暗——Ayana 正看著兩顆太陽輪流遮掩彼此。
- double star
broader term; includes optical doubles that only appear close from Earth
- binary system
more general; can refer to any two-body gravitational system, not only stars
- single star
a star not gravitationally bound to a companion
用法筆記
Distinguish from 'double star,' which can refer to any two stars that appear close in the sky, whether or not they are gravitationally bound.