If our solar system holds so many remarkable moons, then what strange satellite worlds might we find among the billions of planetary systems in the Milky Way?
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“这颗白矮星距离太阳63光年，与银河系中大多数星球相比，它距离我们的太阳系非常近。”卢迈说。
"The distance of this White Dwarf from the Sun is 63 light-years, which is very near our solar system compared with most stars in our galaxy", Luhman said.
It is located 3, 800 light-years away from Earth, inside the Orion spur — the same partial spiral arm of the Milky way where our solar system is located. The nebula is nearly 240 light-years across.
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