霍姆斯彗星的轨道在火星和木星之间，大约每隔七年便可在天空中见到这颗暗淡的彗星。
Comet Holmes has an orbit between Mars and Jupiter and can be seen about every seven years as a very faint object in the sky.
霍姆斯彗星的轨道在火星和木星之间，大约每隔七年便可在天空中见到这颗暗淡的彗星。
Comet Holmes has an orbit between Mars and Jupiter and can be seen about every seven years as a very faint object in the sky.
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