The ghostly green glow at the very top of this image reveals the presence of 46P Wirtanen - a relatively small comet with an estimated diameter of 1.2 kilometers. Had the path of history taken a different course, we would have much more than estimates about this Jupiter-family comet.
The ghostly green glow at the very top of this image reveals the presence of 46P Wirtanen - a relatively small comet with an estimated diameter of 1.2 kilometers. Had the path of history taken a different course, we would have much more than estimates about this Jupiter-family comet.
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