NASA Says Restless Red Giant Star Betelgeuse Had an Unprecedented Explosion.
In early 2020, astronomers noticed that Betelgeuse, a red giant star located in the constellation Orion, had become much dimmer than it had ever been before. This sudden dimming sparked a lot of excitement among space enthusiasts and scientists alike, as Betelgeuse is one of the brightest stars in the sky.
NASA recently reported that Betelgeuse had experienced an unprecedented explosion, which caused it to become dimmer than it had ever been observed. This event has provided valuable insights into the life cycle of stars, and it has helped scientists to better understand how stars evolve and die.
What is Betelgeuse?
Betelgeuse is a red giant star located in the constellation Orion, which is visible in the night sky from Earth. It is one of the brightest stars in the sky and is easily visible to the naked eye. Betelgeuse is also a relatively young star, estimated to be only 8.5 million years old.
Betelgeuse is a massive star, with a diameter estimated to be around 1,000 times larger than that of the sun. It is also a very luminous star, with a brightness estimated to be around 100,000 times greater than that of the sun.
Betelgeuse is a variable star, meaning that its brightness changes over time. This variability is caused by the star's surface pulsations, which cause it to expand and contract. The pulsations are driven by the star's internal energy, which causes it to oscillate.
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