galaxy core

NASA publishes unprecedented images of the Milky Way's 'core'
The US space and space agency (NASA) has released a series of rare images of the center of the Milky Way.
Detecting monster black holes as large as 1 billion Sun.
The Hubble Space Telescope has discovered a giant black hole believed to be the largest ever outside the galactic core with a mass of more than 1 billion times the Sun.