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.

NASA via Giphy

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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