What is Messier 84?
Q: What is Messier 84?
A: Messier 84 is a lenticular galaxy in the constellation of Virgo.
Q: Where is Messier 84 located?
A: Messier 84 is located in the heavily populated inner core of the Virgo Cluster of galaxies.
Q: What have radio observations and Hubble Space Telescope images of Messier 84 revealed?
A: These observations have revealed two jets of matter shooting out from the galaxy's centre, as well as a disk of rapidly rotating gas and stars, suggesting there is a supermassive black hole at the centre of the galaxy.
Q: What is the mass of the supermassive black hole at the centre of Messier 84?
A: The mass of the supermassive black hole is 1.5 ×109 M☉, which is gravitationally equivalent to 15 billion solar masses.
Q: What type of galaxy is Messier 84?
A: Messier 84 is a lenticular galaxy.
Q: What is the Virgo Cluster of galaxies?
A: The Virgo Cluster of galaxies is a cluster of galaxies in the constellation of Virgo.
Q: What type of observations have been made of Messier 84?
A: Radio observations and Hubble Space Telescope images have been made of Messier 84.
