At the center of the Milky Way is a supermassive black hole, 4.3 million times bigger than the sun, known as Sagittarius A*. Until recently, it was not clear how much of the matter at the heart of the galaxy was Sagittarius ...
Astronomy
Jan 13, 2022
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A theorist in astrophysics at The University of Texas at Arlington is leading a project to study the explosive phenomena of X-ray bursts in order to better understand neutron stars.
Astronomy
Oct 18, 2021
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Black holes in the early universe pose a bit of a problem. Based on observations from telescopes on Earth and in space, we know that some black holes grew to be a billion times the mass of the sun just one billion years after ...
Astronomy
Dec 9, 2019
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On 16 September 2019 at 04:14 CEST, the Stratospheric Observatory for Infrared Astronomy (SOFIA) is expected to land at Stuttgart Airport. The airborne observatory is a joint project by the US space agency NASA and the German ...
Astronomy
Sep 16, 2019
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17
The very idea that a black hole could have a temperature strains the imagination. I mean, how can something that absorbs all the matter and energy that falls into it have a temperature? When you feel the warmth of a toasty ...
Space Exploration
Sep 5, 2016
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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
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50
Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size of large asteroid. ...
Space Exploration
Dec 17, 2009
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