(Phys.org) —Astronomers have released a new image of the outer atmosphere of Betelgeuse – one of the nearest red supergiants to Earth – revealing the detailed structure of the matter being thrown off the star.
Astronomy
Apr 24, 2013
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(Phys.org)—Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA's Herschel space observatory. The star and its arc-shaped shields could collide with an intriguing ...
Astronomy
Jan 22, 2013
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Low in the south in the summer sky shines the constellation Scorpius and the bright, red supergiant star Antares. Many of the brightest stars in Scorpius, and hundreds of its fainter stars, are among the youngest stars found ...
Astronomy
Dec 21, 2011
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(PhysOrg.com) -- Betelgeuse, a red supergiant in the constellation of Orion, is one of the brightest stars in the night sky. It is also one of the biggest, being almost the size of the orbit of Jupiter — about four and ...
Astronomy
Jun 23, 2011
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Whenever something happens with Betelgeuse, speculations about it exploding as a supernova proliferate. It would be cool if it did. We're far enough away to suffer no consequences, so it's fun to imagine the sky lighting ...
Astronomy
Jun 6, 2023
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Making a 3D map of our galaxy would be easier if some stars behaved long enough to for us to calculate the distances to them. However, red supergiants are the frisky kids on the block when it comes to pinning down their exact ...
Astronomy
Jul 1, 2022
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Betelgeuse keeps getting dimmer, and everyone is wondering what exactly that means. The star will go supernova at the end of its life, but that's not projected to happen for tens of thousands of years or so. So what's causing ...
Astronomy
Jan 23, 2020
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Stars are not motionless in the sky: their positions change continuously as they move through our Galaxy, the Milky Way. These motions, too slow to be appreciated with the naked eye over a human lifetime, can be captured ...
Astronomy
Jun 9, 2017
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For almost half a century, scientists have subscribed to the theory that when a star comes to the end of its life-cycle, it will undergo a gravitational collapse. At this point, assuming enough mass is present, this collapse ...
Astronomy
Sep 16, 2016
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Looking west after sunset on Friday September 26, the thin waxing crescent moon forms a triangle with Mercury and Spica, the brightest star in the constellation of Virgo. You can see how far Mercury has travelled since passing ...
Space Exploration
Sep 25, 2014
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