Massive white dwarf in our galaxy may go supernova
(PhysOrg.com) -- A massive white dwarf star in our galaxy may become a supernova several million years from now, and could damage the Earth and possibly destroy life on Earth.
Page 15 - News tagged with binary system
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Rapid supernova could be new class of exploding star
(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf onto another and ...
Astronomy
Nov 5, 2009
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Geriatric pulsar still kicking
(PhysOrg.com) -- The oldest isolated pulsar ever detected in X-rays has been found with NASA's Chandra X-ray Observatory. This very old and exotic object turns out to be surprisingly active.
Astronomy
Feb 26, 2009
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DART mission sheds new light on target binary asteroid system
In studying data collected from NASA's DART (Double Asteroid Redirection Test) mission, which in 2022 sent a spacecraft to intentionally collide with the asteroid moonlet Dimorphos, the mission's science team has discovered ...
Astronomy
Jul 30, 2024
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Moon orbiting 'Dinky' asteroid is actually two tiny moons stuck together
When NASA's Lucy spacecraft flew past its first official target Dinkinesh in November 2023, researchers discovered that the asteroid—known as "Dinky"—was not alone in space. A satellite asteroid, which the team named ...
Planetary Sciences
May 29, 2024
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Novel calculations peg age of 'baby' asteroid
An asteroid dubbed "Lucy's baby" after a NASA spacecraft discovered it is orbiting another asteroid last November is,, in fact,, a solar system toddler—just 2–3 million years old, a Cornell-led research team estimates ...
Astronomy
Apr 30, 2024
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Revealing the origin of unexpected differences in giant binary stars
Using the Gemini South telescope a team of astronomers have confirmed for the first time that differences in binary stars' composition can originate from chemical variations in the cloud of stellar material from which they ...
Astronomy
Apr 29, 2024
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Huge star explosion to appear in sky in once-in-a-lifetime event
Sometime between now and September, a massive explosion 3,000 light years from Earth will flare up in the night sky, giving amateur astronomers a once-in-a-lifetime chance to witness this space oddity.
Astronomy
Apr 6, 2024
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Hubble finds that aging brown dwarfs grow lonely
It takes two to tango, but in the case of brown dwarfs that were once paired as binary systems, that relationship doesn't last for very long, according to a recent survey from NASA's Hubble Space Telescope.
Astronomy
Mar 21, 2024
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A new beginning: Astronomers search for more temperate 'Tatooines'
Star Wars protagonist Luke Skywalker's childhood might have been slightly less harsh if he'd grown up on a more temperate Tatooine—like the ones identified in a new study.
Astronomy
Feb 22, 2024
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