A classic dark nebula, the Snake is a tendril of interstellar gas and dust about 650 light years away.
在经典黑暗星云中，蛇是星际气体和尘埃组成的卷须，长约650光年。
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The cloud of gas and dust behind the buckyballs isn't actually the same nebula where the buckyballs were discovered, but rather a Hubble Space Telescope image of a nearby nebula.