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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova 5nvklj





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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova

Dragon
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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova Empty Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova

Post by Dragon Tue Jul 20, 2021 3:08 am

Galaxy clusters contain thousands of galaxies of all ages, shapes and sizes.

They have a mass of about one million billion times the mass of the Sun and form over billions of years as smaller groups of galaxies slowly come together.

Albert Einstein predicted in his theory of general relativity that massive objects will deform the fabric of space itself.

When light passes one of these objects, such as a huge galaxy cluster, its path is changed slightly.

Called gravitational lensing, this effect is only visible in rare cases and only world’s best telescopes can observe the related phenomena.

Hubble’s sensitivity and high resolution allow it to see faint and distant gravitational lenses that cannot be detected with ground-based telescopes whose images are blurred by the atmosphere of our planet.


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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova 334pu7m
Dragon
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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova Empty Re: Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova

Post by Dragon Tue Jul 20, 2021 3:11 am

Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova Image_9873_1-AT2016jka
Image credit: NASA / ESA / Hubble / A. Newman / M. Akhshik / K. Whitaker.

The multiply-imaged supernova AT2016jka appeared in the distant giant galaxy MRG-M0138, gravitationally lensed by the foreground galaxy cluster MACS J0138.0-2155.

This Hubble image shows the galaxy cluster MACS J0138.0-2155, which is so massive that its gravity bent and magnified light streaming not only from an extremely distant background galaxy but also from a supernova event in this galaxy.

The color image was made using observations from eight different filters spread across Hubble’s Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3). The color results from assigning different hues to each monochromatic image associated with an individual filter.


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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova 334pu7m
Dragon
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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova Empty Re: Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova

Post by Dragon Tue Jul 20, 2021 3:13 am



Animation showing how Hubble spotted four images of the same supernova


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Hubble Observes Multiply-Imaged, Gravitationally Lensed Supernova 334pu7m

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