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Comet 12P/Pons-Brooks and Andromeda Galaxy, 2024
Comet 12P/Pons-rooks (bottom-center) and the Andromeda galaxy (top-left) photographed on 9 March 2024 over Oravska Lesna, Slovakia. Pons-Brooks is only visible for a short time every 71.2 years, which is the length of time it takes to orbit the Sun. It was first discovered in 1812 by Louis Comets are collections of dust and ice that orbit the Sun. As they near the Sun and are warmed they As they near the Sun and are warmed they release gas (outgassing) that forms the tail. by PETR HORALEK/SCIENCE PHOTO LIBRARY
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