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Hubble Observes Spectacular Supernova in NGC 2525 5nvklj





Hubble Observes Spectacular Supernova in NGC 2525 9tpt39

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Hubble Observes Spectacular Supernova in NGC 2525

Dragon
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Hubble Observes Spectacular Supernova in NGC 2525 Empty Hubble Observes Spectacular Supernova in NGC 2525

Post by Dragon Fri Oct 02, 2020 4:12 am

Astronomers using the NASA/ESA Hubble Space Telescope have tracked the fading light of a Type Ia supernova in NGC 2525, a barred spiral galaxy located approximately 70 million light-years away in the southern constellation of Puppis.

Type Ia supernovae like SN 2018gv originate from a white dwarf in a close binary system accreting material from its companion star.

If the white dwarf reaches a critical mass (1.44 times the mass of our Sun), its core becomes hot enough to ignite carbon fusion, triggering a thermonuclear runaway process that fuses large amounts of oxygen and carbon together in a matter of seconds.

The energy released tears the star apart in a violent explosion, ejecting matter at speeds up to 6% the speed of light and emitting huge amounts of radiation.

Type Ia supernovae consistently reach a peak brightness of 5 billion times brighter than our Sun before fading over time.

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Hubble Observes Spectacular Supernova in NGC 2525 334pu7m
Dragon
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Hubble Observes Spectacular Supernova in NGC 2525 Empty Re: Hubble Observes Spectacular Supernova in NGC 2525

Post by Dragon Fri Oct 02, 2020 4:13 am

Hubble Observes Spectacular Supernova in NGC 2525 Image_8910-SN-2018gv
Image credit: NASA / ESA / Hubble / A. Riess & SH0ES Team / Mahdi Zamani.

This Hubble images shows SN 2018gv (a very bright star located on the outer edge of one of the galaxy’s spiral arms in the left portion of the image) in the barred spiral galaxy NGC 2525.

Source / Image Courtesy


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Hubble Observes Spectacular Supernova in NGC 2525 334pu7m
Dragon
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Hubble Observes Spectacular Supernova in NGC 2525 Empty Re: Hubble Observes Spectacular Supernova in NGC 2525

Post by Dragon Fri Oct 02, 2020 4:14 am



This video shows a unique time-lapse of the supernova in galaxy NGC 2525. The supernova is captured by Hubble in exquisite detail within this galaxy in the lower left portion of the frame.

It appears as a very bright star located on the outer edge of one of its beautiful swirling spiral arms. This


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Hubble Observes Spectacular Supernova in NGC 2525 334pu7m
Dragon
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Hubble Observes Spectacular Supernova in NGC 2525 Empty Re: Hubble Observes Spectacular Supernova in NGC 2525

Post by Dragon Fri Oct 02, 2020 4:57 am



This video zooms into the barred spiral galaxy NGC 2525, located 70 million light-years away in the southern constellation Puppis.

Roughly half the diameter of our Milky Way, it was discovered by British astronomer William Herschel in 1791 as a "spiral nebula."


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Hubble Observes Spectacular Supernova in NGC 2525 334pu7m

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