Facts about the Sombrero Galaxy
- 10
Catalogued as Messier 104 by French astronomer Pierre Méchain in 1781, the Sombrero Galaxy is one of the most massive objects at the southern edge of the Virgo cluster.
- 09
Between 1981 and 2004, X-ray observations from multiple satellites detected a variable active galactic nucleus in the Sombrero Galaxy, suggesting episodic accretion onto its central black hole.
- 08
Spectroscopic analysis reveals the Sombrero Galaxy rotates at speeds exceeding 240 kilometers per second, making it one of the fastest-rotating galaxies known to astronomers.
- 07
Infrared observations reveal the Sombrero Galaxy's stellar mass reaches approximately 800 billion solar masses, making it one of the most massive galaxies in the local universe.
- 06
Visible light observations show the Sombrero Galaxy's halo extends roughly 60,000 light-years from its center, making it significantly larger than previously estimated from optical imaging alone.
- 05
Hubble Space Telescope observations in 1994 revealed the Sombrero Galaxy's central region contains a rapidly rotating disk of gas and dust, indicating active galactic accretion around its supermassive black hole.
- 04
Its unusual edge-on orientation makes the Sombrero Galaxy appear dramatically tilted from Earth, revealing a thick dust lane that obscures most of its galactic bulge from direct view.
- 03
Approximately one million stars per second orbit within the Sombrero Galaxy's prominent dust ring, which spans roughly 50,000 light-years in diameter.
- 02
Measurements reveal the Sombrero Galaxy's central supermassive black hole weighs approximately one billion times more than our Sun.
- 01
Located 29 million light-years away, the Sombrero Galaxy contains approximately one trillion stars and possesses a dust lane earning its distinctive hat-like appearance.