根据对年轻的类太阳恒星的观察,我们的太阳可能已经失去了它最初质量的6%。
According to observations of young sunlike stars, our Sun may have lost as much as six percent of its initial mass.
这颗行星有三个太阳,主恒星质量与我们的太阳相似。
This planet has three suns, with the main star similar in mass to our own sun.
有史以来,人类第一次观察到了一个黑洞的诞生,它生成自一颗约是太阳质量20倍恒星的超新星爆炸中。
For the first time ever, a black hole has been seen being born out of a supernova of a star perhaps 20 times the mass of our sun.
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