M61 (天体)
1. Messier 61Messier 61 (also known as M61 or NGC 4303) is a spiral galaxy in the Virgo Cluster. It was discovered by Barnabus Oriani on May 5, 1779. M61 is one of the larger members of the Virgo Cluster. Six supernovae have been observed in this galaxy: SN 2008in SN 2006ov SN 1999gn SN 1964F SN 1961I SN 1926A
Read “Messier 61” on English Wikipedia
Read “M61 (天体)” on Japanese Wikipedia
Read “Messier 61” on DBpedia
Read “Messier 61” on English Wikipedia
Read “M61 (天体)” on Japanese Wikipedia
Read “Messier 61” on DBpedia
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