Messier 84

Messier 84 nucleus by HST

Messier 84 (also known as NGC 4374) is a lenticular galaxy in the constellation of Virgo. M84 is in the heavily populated inner core of the Virgo Cluster of galaxies.[1]

Radio observations and Hubble Space Telescope images of M84 have revealed two jets of matter shooting out from the galaxy's centre, as well as a disk of rapidly rotating gas and stars. This suggests there is a supermassive black hole at the centre of the galaxy. Its mass is 1.5 ×109 M, that is gravitation amounting to 15 billion solar masses.[2]

History

Charles Messier discovered Messier 84 in 1781 when he searched for "nebulous objects" in the night sky.[3] The object is the 84th in the Messier Catalogue.

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مازِرونی: مسیه ۸۴
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