Webb locates dust reservoirs in two supernovae
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.
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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(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent ...
Astronomy
Oct 4, 2012
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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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In early February, astrophysicist Neil deGrasse Tyson said on Twitter that the superhero Thor's Hammer (aka Mjolnir) "weighs as much as a herd of 300 billion elephants." News outlets pounced on this, and the news was quickly ...
Other
Feb 18, 2013
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An international team led by Leen Decin, a K.U. Leuven (Belgium) astronomer, has discovered a series of dust shells in the vicinity of CW Leonis, a dying giant star. The star expelled the shells in the course of its long ...
Astronomy
Sep 28, 2011
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(Phys.org) —This intriguing new picture from ESO's Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star located about 3300 light-years away in the constellation of Scutum ...
Astronomy
Apr 10, 2013
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Evidence suggests that carbon nanotubes, tiny tubes consisting of pure carbon, could be forged in the envelopes of dust and gas surrounding dying stars. The findings propose a simple, yet elegant mechanism for the formation ...
Nanophysics
Jun 17, 2022
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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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Located around 5,000 light-years away in the constellation of Cygnus (the Swan), Abell 78 is an unusual type of planetary nebula.
Astronomy
Mar 22, 2021
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(Phys.org) —In the spirit of Halloween, scientists are releasing a trio of stellar ghosts caught in infrared light by NASA's Spitzer Space Telescope. All three spooky structures, called planetary nebulas, are in fact material ...
Astronomy
Oct 29, 2013
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