Whoooooosh
Comet Leonard: 8 stunning images of a visitor we'll never see again
If you missed this passerby, you won’t get another chance.
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Every so often, Earth gets a visitor from the edge of the Solar System.
Comets flying in from the distant Oort Cloud — an ancient cluster of icy bodies — create a rare spectacle.
Most recently, the comet Leonard made the journey from the Oort Cloud to the inner Solar System and beyond.
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