| 释义 |
- B星球：一个虚构的、类似地球的星球，通常用于科幻作品或讨论未来地球的可能性。
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But WD 0806-661 B is not a planet - it's a very small star. 但是WD 0806 - 661 B号星球并不是一颗行星——而是一颗非常小的恒星。 - 2
But because the newfound planet, HIP 57050 b, is only Saturn-size rather than, say, the size of Jupiter or larger, any moons it may have are probably rather small and not especially planetlike. 不过由于新发现的行星HIP 57050b的体积只有土星那么大，而没有木星那么大或者更大，所以这颗行星如果有卫星的话，卫星可能会比较小，尤其是不具有类行星的特征。 - 3
The oldest exoplanet known yet, PSR B1620-26 b, nicknamed Methuselah, is also a pulsar planet, located 5,600 light years from Earth in the Scorpius constellation. 已知最古老的太阳系外行星是PSR B1620-26 b，又名Methuselah，它也是一颗脉冲星行星，位于5600光年之外的天蝎座中。
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