Newly identified fast-moving stars in the star cluster Omega Centauri provide solid evidence for a central black hole in the cluster. With at least 8,200 solar masses, it is the best candidate for a class of black holes astronomers ...
Astronomy
17 hours ago
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137
Using the High-Altitude Water Cherenkov (HAWC) observatory, an international team of astronomers has observed a very-high energy gamma-ray source designated TeV J2032+4130. Results of the observational campaign, presented ...
A team of physicists with NASA's Jet Propulsion Laboratory at the California Institute of Technology has calculated more precisely how much faster time passes on the moon than on the Earth. The paper describing the math they ...
The next NASA space telescope to survey the ultraviolet sky has the fingerprint of an astronomer from the Institute of Science and Technology Austria (ISTA). Assistant Professor Ylva Götberg is part of a large international ...
Astronomy
17 hours ago
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6
Scientists from Washington University in St. Louis have launched a balloon-borne telescope to unlock the secrets of astrophysical black holes and neutron stars, some of the most extreme objects in the universe.
Astronomy
Jul 10, 2024
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Do constants of nature—the numbers that determine how things behave, like the speed of light—change over time as the universe expands? Does light get a little tired traveling vast cosmic distances? It was believed that ...
Astronomy
Jul 9, 2024
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Any night now, a "new star" or nova will appear in the night sky. While it won't set the sky ablaze, it's a special opportunity to see a rare event that's usually difficult to predict in advance.
Astronomy
Jul 9, 2024
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How would it feel to peer into the night sky and behold millions of galaxies across a vast swath of space? What would it be like to hunt for worlds beyond our solar system, or spot the fiery deaths of stars?
Astronomy
Jul 9, 2024
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18
An international team of astronomers has conducted a survey of variable stars in the field of a globular cluster known as NGC 6558. As a result, they identified dozens of variables, out of which two turned out to be new cluster ...
Neutron stars are extreme and mysterious objects that astrophysicists cannot see inside. With a radius of around 12 kilometers, they can have more than twice the mass of the sun. The matter in them is packed up to five times ...
Astronomy
Jul 8, 2024
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