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Red Supergiant Star

All articles tagged with #red supergiant star

astronomy2 years ago•3 min saved

Unraveling the Mystery of Betelgeuse's Delayed Explosion

Scientists have used infrared observations from the European Southern Observatory's Very Large Telescope to confirm that the "Great Dimming Event" of Betelgeuse, a red supergiant star, was caused by the star ejecting a chunk of its atmosphere into space, creating a large dust cloud. This event was not a precursor to a supernova, and the star's explosion is not expected to occur for tens of thousands of years, if not more. The detailed observations provide insights into the aging and evolution of this massive star.

via Mashable|

#astronomy #betelgeuse #great-dimming-event

astronomy3 years ago•6 min saved

Impending Supernova: Nearby Red Supergiant Star on the Brink

Astronomers predict that Betelgeuse, a red supergiant star in the constellation of Orion, could go supernova very soon, possibly within the next few decades. While there won't be any danger to Earth, the explosion will be the astronomical event of the millennium, with Betelgeuse shining almost as brightly as the moon and being visible even during the day for several months. The exact timing is uncertain, but if the star is larger than previously thought, it may have exhausted its hydrogen and helium and be burning through its carbon atoms, indicating it is in a late phase of core carbon burning. Scientists expect to detect neutrinos and gravitational waves about a day before the explosion reaches us.

via National Post|

#astronomer #astronomy #betelgeuse

astronomy3 years ago•2 min saved

Mystery Surrounds Strange Behavior of Supergiant Star Betelgeuse.

Betelgeuse, a red supergiant star located in the constellation Orion, is shining 50 percent brighter than usual, and scientists are monitoring the situation closely to understand the change better. A new research paper suggests that Betelgeuse is in the late stage of core carbon burning and a good candidate for the next galactic supernova. However, it is difficult to determine when Betelgeuse will go supernova since the star pulses, ejects material, rotates, and is also a runaway star speeding through space.

via Giant Freakin Robot|

#astronomy #betelgeuse #carbon-burning