NASA's Hubble Space Telescope caught Jupiter's moon, Ganymede, seemingly playing a game of peek-a-boo in this image in April 2007.
2007年4月，NASA的哈勃空间望远镜捕捉到木星的月亮——Ganymede——的踪迹，看起来像是正在玩躲猫猫的游戏。
Ganymede, the largest moon in the solar system, has a dirty ice surface cut by fractures and peppered by impact craters.
这颗太阳系中最大的卫星，表面冰盖布满断层的切口和火山灰的粉末。
NASA's Hubble Space Telescope caught Jupiter's moon, Ganymede, seemingly playing a game of peek-a-boo in this image from April 2007.
2007年4月，NASA的哈勃空间望远镜捕捉到木星的月亮——Ganymede——的踪迹，看起来像是正在玩躲猫猫的游戏。
Io and Europa are about the same size as our moon, whereas Ganymede and Callisto have diameters that are half again our moon's diameter.
木卫一和木卫二大约和月球一样大，而木卫三和木卫四大概是月球直径的一半。
The signal was coming from Jupiter's moon Ganymede and was definitely artificial in nature.
信号是来自木星的卫星木卫三和肯定是人工性质研究。
Jupiter's moon Ganymede has a strong magnetic field.
木星的卫星甘尼美有很强的磁场。
Indeed, Ganymede is the largest moon in the whole solar system.
的确，格尼·梅德星是整个太阳系最大的卫星。
However, Jupiter's largest moon Ganymede will appear on the same side of Jupiter as Io and Europa, though at some 3 times farther out from the Jovian disk.
然而，木星最大的卫星木卫三将会出现在木卫一和欧罗巴的同一侧，虽然它距离木星近轨有三倍距离。
However, Jupiter's largest moon Ganymede will appear on the same side of Jupiter as Io and Europa, though at some 3 times farther out from the Jovian disk.
然而，木星最大的卫星木卫三将会出现在木卫一和欧罗巴的同一侧，虽然它距离木星近轨有三倍距离。
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