估算白矮星冷却的时间长度有助于天文学家深入研究宇宙的年龄。
Estimating how long white dwarfs have been cooling can help astronomers learn much about the age of the universe.
宇宙的年龄达到这种精确程度，是使用早先7年的数据分析的结果。
Using data from the first 7 years of operation, this refined universal age could be arrived at.
残存的遗迹比地球上任何化石还古老，也比银河系其他结构更老，可以界定这个宇宙的年龄。
Surviving relics are older than any Earth fossil, older than any other structures in our Galaxy, and limit the universe itself in raw age.
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