This uniformity of material and structure is perhaps the most striking discovery of stellar astronomy.
物质及其结构的这种一致性，也许是恒星天文学上的最惊人的发现。
Two projects for astrometry from Earth satellites are described and their impact on astrometry, astrophysics and stellar astronomy are outlined.
本文介绍了由地球人造卫星进行天体测量的两项计划，并提出了它们对天体测量学、天体物理学和恒星天文学的影响。
Astronomy focuses on the planetary. galactic. and stellar phenomena occurring in outer space.
天文学专业主要研究星星和星系以及外层空间中恒星的现象。
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