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Hubble Sees Red Supergiant Star Betelgeuse 5nvklj





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Hubble Sees Red Supergiant Star Betelgeuse

Dragon
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Hubble Sees Red Supergiant Star Betelgeuse Empty Hubble Sees Red Supergiant Star Betelgeuse

Post by Dragon Mon Aug 15, 2022 2:57 am

Analyzing data from NASA's Hubble Space Telescope and several other observatories, astronomers have concluded that the bright red supergiant star Betelgeuse quite literally blew its top in 2019, losing a substantial part of its visible surface and producing a gigantic Surface Mass Ejection (SME).

This is something never before seen in a normal star's behavior.

Our Sun routinely blows off parts of its tenuous outer atmosphere, the corona, in an event known as a Coronal Mass Ejection (CME).

But the Betelgeuse SME blasted off 400 billion times as much mass as a typical CME!


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Hubble Sees Red Supergiant Star Betelgeuse 334pu7m
Dragon
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Hubble Sees Red Supergiant Star Betelgeuse Empty Re: Hubble Sees Red Supergiant Star Betelgeuse

Post by Dragon Mon Aug 15, 2022 2:59 am

Hubble Sees Red Supergiant Star Betelgeuse Hubble_betelgeuseoutburst
Credits: NASA, ESA, Elizabeth Wheatley (STScI)

This illustration plots changes in the brightness of the red supergiant star Betelgeuse, following the titanic mass ejection of a large piece of its visible surface.

The escaping material cooled to form a cloud of dust that temporarily made the star look dimmer, as seen from Earth.

This unprecedented stellar convulsion disrupted the monster star’s 400-day-long oscillation period that astronomers had measured for more than 200 years.

The interior may now be jiggling like a plate of gelatin dessert.


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Hubble Sees Red Supergiant Star Betelgeuse 334pu7m
Dragon
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Hubble Sees Red Supergiant Star Betelgeuse Empty Re: Hubble Sees Red Supergiant Star Betelgeuse

Post by Dragon Mon Aug 15, 2022 3:01 am



Never Before Seen! Red Supergiant Star Betelgeuse Slowly Recovering After Blowing Its Top


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Hubble Sees Red Supergiant Star Betelgeuse 334pu7m

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