Skywatch: Pairs of planets will come together in series of stunning conjunctions
By Imiloa Astronomy Center of Hawaii
Feb. 27, 2022
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NASA / 2006
NASA’s Hubble Space Telescope captured the tattered remains of a supernova explosion known as Cassiopeia A in the Milky Way galaxy. Astronomers at Hawaii observatories are also monitoring supernovae, with some surprising insights.