(Phys.org) —When a massive star exhausts its fuel, it collapses under its own gravity and produces a black hole, an object so dense that not even light can escape its gravitational grip. According to a new analysis by an ...
Astronomy
May 3, 2013
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An automated supernova hunt is shedding new light on the death sequence of massive stars—specifically, the kind that self-destruct in Type IIn supernova explosions.
Astronomy
Feb 6, 2013
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Each century, about two massive stars in our own galaxy explode, producing magnificent supernovae. These stellar explosions send fundamental, uncharged particles called neutrinos streaming our way and generate ripples called ...
General Physics
Jul 12, 2012
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Two Earth-sized planets have been discovered circling a dying star that has passed the red giant stage. Because of their close orbits, the planets must have been engulfed by their star while it swelled up to many times its ...
Astronomy
Dec 21, 2011
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(PhysOrg.com) -- Astronomers at The University of Manchester's Jodrell Bank Centre for Astrophysics have discovered one of the hottest stars in the Galaxy with a surface temperature of around 200,000 degrees - 35 times hotter ...
Astronomy
Dec 2, 2009
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The Whole Earth Telescope (WET), a worldwide network of observatories coordinated by the University of Delaware, is synchronizing its lenses to provide round-the-clock coverage of a cooling star. As the star dims in the twilight ...
Astronomy
May 15, 2009
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A team of international scientists, armed with the powerful ALMA telescope array in Chile, has unraveled the cosmic mysteries surrounding a dying star, revealing an intricate celestial dance shaped by unusual chemistry.
Astronomy
Jan 4, 2024
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Stars like our sun end their lives as white dwarfs. Some of them are surrounded by a planetary nebula consisting of gas ejected by the dying star shortly before its death. An international research team led by Professor Klaus ...
Astronomy
Oct 11, 2023
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Supernovae, the explosive deaths of stars, are some of the universe's biggest bursts of energy and light. When they erupt, one supernova can shine even brighter than an entire galaxy.
Astronomy
Jul 5, 2023
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281
An international team of astronomers led by members of the Laboratory for Space Research (LSR) and Department of Physics at The University of Hong Kong (HKU), have discovered a rare celestial jewel—a so-called Planetary ...
Astronomy
Aug 29, 2022
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