When a star like our sun gets to be very old, after another seven billion years or so, it will no longer be able to sustain burning its nuclear fuel. With only about half of its mass remaining, it will shrink to a fraction ...
Astronomy
Feb 20, 2017
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All known black holes fall into two categories: small, stellar-mass black holes weighing a few Suns, and supermassive black holes weighing millions or billions of Suns. Astronomers expect that intermediate-mass black holes ...
Astronomy
Feb 8, 2017
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An astronomer from LJMU's Astrophysics Research Institute has discovered a new family of stars in the core of the Milky Way Galaxy which provides new insights into the early stages of the Galaxy's formation.
Astronomy
Nov 22, 2016
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A study shows that the most massive stars in the last stages of their lives are those which contaminate the interstellar medium with new chemical elements, giving rise to successive generations of stars in these 'astronomical ...
Astronomy
Nov 8, 2016
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When a star with a mass of roughly ten solar masses finishes its life, it explodes as a supernova, leaving behind a neutron star as remnant "ash." Neutron stars have masses of one-to-several suns but they are tiny in diameter, ...
Astronomy
Oct 3, 2016
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This NASA/ESA Hubble Space Telescope image reveals the vibrant core of the galaxy NGC 3125. Discovered by John Herschel in 1835, NGC 3125 is a great example of a starburst galaxy—a galaxy in which unusually high numbers ...
Astronomy
Jul 25, 2016
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(Phys.org)—Australian astronomers have uncovered evidence of halo stars in two globular clusters residing in the Milky Way galaxy. According to a new study published on June 21 on the arXiv pre-print server, the globular ...
Access by the astronomers at The University of Alabama to the Jacobus Kapteyn Telescope in the Canary Islands will benefit both research and students at UA.
Space Exploration
May 24, 2016
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This NASA/ESA Hubble Space Telescope image shows star clusters encircling a galaxy, like bees buzzing around a hive. The hive in question is an edge-on lenticular galaxy NGC 5308, located just under 100 million light-years ...
Astronomy
May 23, 2016
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(Phys.org)—Globular clusters have for a long time been considered as formed of stars with similar initial chemical composition, but recently, increasing evidence has emerged regarding their more complex nature. On Apr. ...
