(Phys.org)—A team of researchers affiliated with the Warsaw University Observatory has captured for the first time the events that led to a classical nova exploding, the explosion itself and then what happened afterwards. ...
The first images of a nova during its early fireball stage—when it ejects material, and gases expand and cool—show that this activity is more complicated than predicted.
Astronomy
Oct 26, 2014
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The Universe is home to a variety of exotic objects and beautiful phenomena, some of which can generate almost inconceivable amounts of energy. ASU Regents' Professor Sumner Starrfield is part of a team that used the Large ...
Astronomy
Jul 31, 2014
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While studying classical novae using the National Radio Astronomy Observatory's Very Long Baseline Array (VLBA), a graduate researcher uncovered evidence showing that the objects may have been erroneously typecast as simple. ...
Astronomy
Jun 6, 2023
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When stars like our sun use up all their fuel, they shrink to form white dwarfs. Sometimes such dead stars flare back to life in a super-hot explosion and produce a fireball of X-ray radiation. A research team from several ...
Astronomy
May 11, 2022
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Almost 35 years ago, scientists made the then-radical proposal that colossal hydrogen bombs called novae go through a very long-term life cycle after erupting, fading to obscurity for hundreds of thousands of years and then ...
Astronomy
Mar 24, 2020
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Astronomers have today announced that they have discovered possibly the most luminous 'new star' ever - a nova discovered in the direction of one of our closest neighboring galaxies: The Small Magellanic Cloud.
Astronomy
Oct 11, 2017
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If you live in the southern hemisphere, you now can safely view the aftermath of a nuclear explosion from the comfort of your own backyard.
Astronomy
Dec 13, 2013
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It began, as all modern astronomical alerts seem to, with one tweet, then two. Early on the morning of Friday, March 19, we started seeing word that a nova was spotted in the constellation of Cassiopeia the Queen, near its ...
Astronomy
Mar 23, 2021
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A star, or nova, has appeared in the constellation of Sagittarius and, even though it is now waning, it is still bright enough to be visible in the sky over Perth through binoculars or a telescope.
Mar 27, 2015
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