Globular clusters are extremely dense stellar systems, in which stars are packed closely together. They are also typically very old—the globular cluster that is the focus of this study, NGC 6397, is almost as old as the ...
Astronomy
Feb 11, 2021
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775
Research at Swinburne University of Technology has shown that it is possible to predict the masses of black holes in galaxies for which it was previously thought not possible.
Astronomy
Jan 27, 2015
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44
Chinese astronomers report new findings regarding the central region of a nearby galaxy known as NGC 3319. The researchers found an active intermediate-mass black hole candidate residing in the center of this galaxy. The ...
In the vast garden of the universe, the heaviest black holes grew from seeds. Nourished by the gas and dust they consumed, or by merging with other dense objects, these seeds grew in size and heft to form the centers of galaxies, ...
Astronomy
Sep 25, 2019
0
687
Most galaxies possess a majestic spiral or elliptical structure. About a quarter of galaxies, though, defy such conventional, rounded aesthetics, instead sporting a messy, indefinable shape. Known as irregular galaxies, this ...
Astronomy
Jan 25, 2016
0
970
Nearly all black holes come in one of two sizes: stellar mass black holes that weigh up to a few dozen times the mass of our sun or supermassive black holes ranging from a million to several billion times the sun's mass. ...
Astronomy
Sep 21, 2015
1
149
The term "black hole" was first used in the mid-20th century by theoretical physicist John Wheeler. This term denotes relativistic supermassive objects that are invisible in all electromagnetic waves, but a great number of ...
Astronomy
Jan 26, 2016
0
50
