16 Great Astronomy Photos | Page 2 of 18

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Comet NEOWISE over Stonehenge

Comet NEOWISE was visible to the unaided in during the spring and summer of 2020. — Comet NEOWISE was visible to the unaided in during the spring and summer of 2020. Image: Royal Observatory Greenwich/James Rushforth (UK)

Comet NEOWISE paid our inner solar system a visit last year. Here it is shown above Stonehenge in the UK—a site that didn’t exist when the comet last came through some 6,800 years ago (Stonehenge was built about 5,000 years ago).

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