Bruce Murray Space Image Library

Comet 109P/Swift-Tuttle

Comet 109P/Swift-Tuttle
Comet 109P/Swift-Tuttle Comet 109P/Swift-Tuttle is a large comet with a nucleus 26 kilometers (16 miles) across. Seen here in 1992, it won't be back to the inner solar system until 2125. Debris from the comet causes the annual Perseid meteor shower. NASA

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