Tag Archives: Galaxies

13May/22

How we captured first image of the supermassive black hole at centre of the Milky Way

Derek Ward-Thompson, University of Central Lancashire

Black holes are among the most profound predictions of Einstein’s theory of general relativity. Originally studied as a mere mathematical consequence of the theory rather than as physically relevant objects, they soon became thought of as generic and sometimes inevitable outcomes of the gravitational collapse that initially forms a galaxy.

Continue reading

06Jul/15

Astronomers Discover Supermassive Black Holes

nustar-lairs NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) recently caught a glimpse of five of these secluded beasts. While hidden from view from most other telescopes, NuSTAR can spot them by detecting the highest-energy X-rays, which can penetrate through the enshrouding gas and dust. Continue reading