“宇宙距离”是天文学专有名词，来自中国天文学名词审定委员会审定发布的天文学专有名词中文译名。
其他6个星系最近都爆发了Ia型超新星——测量遥远宇宙距离时更可靠的量天尺。
The other six galaxies recently hosted Type ia supernovae that are reliable distance indicators for even farther measurements in the universe.
造父变星是可靠的宇宙距离(测量)里程碑，其完整的一个光变周期直接反映了星体的本质光亮度。
Cepheids are reliable cosmic distance mileposts. The interval it takes for the Cepheid to complete one pulsation is a direct indication of the stars'; s intrinsic brightness.
这两种图景之间的差异可能会与超新星被当成“标准烛光”(也就是亮度已知的天体)来测量遥远宇宙距离的方式有关。
The difference between these two scenarios may have implications for how these supernovae can be used as "standard candles" — objects of a known brightness — to track vast cosmic distances.
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