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The Conversation
The Conversation
David Parkinson, Research Scientist in Astrophysics, The University of Queensland

Egg-shaped galaxies may be aligned to the black holes at their hearts, astronomers find

The active galaxy Centaurus A, with jets emanating from the central black hole. ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray), CC BY

Black holes don’t have many identifying features. They come in one colour (black) and one shape (spherical).

The main difference between black holes is mass: some weigh about as much as a star like our Sun, while others weigh around a million times more. Stellar-mass black holes can be found anywhere in a galaxy, but the really big ones (known as supermassive black holes) are found in the cores of galaxies.

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