Messier 20: Trifid Nebula - Messier Objects
Messier 20: Trifid Nebula - Messier Objects
Messier 20 (M20), also known as the Trifid Nebula, is a famous star-forming region located in the constellation Sagittarius. The nebula’s designation in the New General Catalogue is NGC 6514. The name Trifid refers to its three-lobed appearance. Messier 20 consists of several different objects: an emission nebula, a reflection nebula, a dark ...
messier-objects.com2018年6月28日
Messier 82 Supernova
Messier 81 and 82 two galaxies in the constellation Ursa Major. These galaxies are relatively close at 12 million light years away and the big one, M81 or Bode’s Galaxy, is 90,000 light years in diameter. It also has a massive black hole at its core with a mass 70 million that of the sun. M82 (also known as the Cigar Galaxy), a starburst galaxy, is undergoing very high star formation due to interaction with M81. It measures 37,000 light years in diameter and its center is 100 times brighter than
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Messier 81 and 82 two galaxies in the constellation Ursa Major. These galaxies are relatively close at 12 million light years away and the big one, M81 or Bode’s Galaxy, is 90,000 light years in diameter. It also has a massive black hole at its core with a mass 70 million that of the sun. M82 (also known as the Cigar Galaxy), a starburst galaxy, is undergoing very high star formation due to interaction with M81. It measures 37,000 light years in diameter and its center is 100 times brighter than
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