In The News

U of A Astrophysicists Discover Mechanism for Spiral-Arm Formation in Disk Galaxies
Astrophysicists at the University of Arkansas have discovered a mechanism for the formation of the spiral arms in disk galaxies.
University of Arkansas | August 11, 2016

Why Galaxies Have Spiral Arms
Astronomers have found a unique trait of spiral arms that supports a longstanding idea about where these patterns come from.
Sky & Telescope | August 29, 2016

Spiral Arms Allow School Children to Weigh Black Holes
Strong relationship between a galaxy's spiral arms and its central black hole mass
Black hole masses can now be accurately estimated by anyone
Swinburne University of Technology | July 20, 2017

How to weigh a black hole without getting off the couch
There’s a simple relationship between the angle of the arms of a spiral galaxy and the mass of the black hole at the galaxy’s heart
COSMOS | July 24, 2017

How You can Weigh Black Holes
The largest invisible monsters in our universe are hidden at the centres of galaxies, and we can predict how massive they are by the shape of spiral arms in their host galaxies. Here’s how you can take part in a global “citizen scie|nce” census of black holes.
Australasian Science | July/August 2019