托勒密绘制了48个星座中1000多颗星的星图。
但是,如果同时有多颗星存在怎么办?
迄今为止所发现的454颗系外行星中,多颗都具有极近椭圆形的轨道,这意味着行星与它们的母星并不总保持相同距离。
Many of the 454 exoplanets discovered to date have highly elliptical orbits, meaning the planets are not always the same distance from their parent star.
这颗行星是其7月份宣称发现的700多颗候选星之一。
The planet was among more than 700 candidate planets that the team announced in June.
它似乎和天空中一颗或更多颗的发光的星排成一条直线。
It seems to have been lined up with the position of one or more bright stars in the sky.
从所有已被提出和发现的230多颗超新星遗迹和1300多颗脉冲星中,总结出一个共50对脉冲星与超新星遗迹成协候选体的样本。
We list a sample of 50 pairs of pulsar (PSR) and supernova remnant (SNR) associations which have been suggested from over 230 SNRs and 1300 PSRs.
从所有已被提出和发现的230多颗超新星遗迹和1300多颗脉冲星中,总结出一个共50对脉冲星与超新星遗迹成协候选体的样本。
We list a sample of 50 pairs of pulsar (PSR) and supernova remnant (SNR) associations which have been suggested from over 230 SNRs and 1300 PSRs.
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