... pre-planetary disk 前行星盘 proto-cluster 原星团 principle of mediocrity 调和准则 ...
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这一质量汇集在一起比4000亿个太阳还要大 - 足以表明，天文学家发现的确实是一个巨大的原星团。
The lump sum of the mass turned out to be a minimum of 400billion suns - enough to indicate that the astronomers had indeed uncovered a massive proto-cluster.
气体星团推动原行星向外的推力可能在某些时候强于那些使它向内的推力。
Gas clusters that push the protoplanet outward can sometimes exert stronger forces than those that push inward.
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