木星质量 ( Jupiter mass )是一个主要用于量度行星质量的单位,相等于木星的质量,即1.8986 × 1027 kg,又或 317.83 地球质量。
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哈勃的观测也使得那颗行星的质量得到确定,据估计是木星质量的2.6倍。
The Hubble observations allow for the planet's mass to be estimated at 2.6 Jupiter masses.
它大约和木星一样大,但是却是木星质量的20倍,这使它有铅密度的两倍。
It is about the size of Jupiter, but 20 times that planet's mass, making it about twice as dense as lead.
WASP - 12 b是一颗气态行星,大约是木星质量的1.5倍,体积的2倍。
WASP-12b is a gaseous planet, about 1.5 times the mass of Jupiter, and almost twice the size.
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