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Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar

Dragon
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Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar Empty Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar

Post by Dragon Tue Aug 10, 2021 2:28 am

Thanks to the presence of a gravitational lens, the NASA/ESA Hubble Space Telescope has captured five separate images of 2M1310-1714, a quasar located approximately 17 billion light-years away in the constellation of Virgo.

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 massive galaxies or their groups, 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.

“The central pair of galaxies in this image are genuinely two separate galaxies, which are located 3.8 billion light-years from Earth,” Hubble astronomers said.

“The four bright points circling them, and the fainter one in the very center, are actually five separate images of a single quasar, known as 2M1310-1714, an extremely luminous but distant object.”


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Dragon
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Post by Dragon Tue Aug 10, 2021 2:30 am

Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar Image_9938_1-2M1310-1714
Image credit: NASA / ESA / Hubble / T. Treu / Judy Schmidt

This Hubble image shows an Einstein ring formed by gravitationally lensed light from a distant quasar called 2M1310-1714.

The color image is made up of observations from Hubble’s Wide Field Camera 3 (WFC3) in the infrared and optical parts of the spectrum.

Three filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter.


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Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar 334pu7m
Dragon
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Post by Dragon Tue Aug 10, 2021 2:32 am

Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar Image_9938_2-2M1310-1714
Image credit: NASA / ESA / Hubble / T. Treu / Judy Schmidt

An Einstein ring formed by gravitationally lensed light from 2M1310-1714.


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Gravity of Massive Galaxy Pair Magnifies Light from Distant Quasar 334pu7m
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Post by Dragon Tue Aug 10, 2021 2:34 am



A Tour of Lensed Quasars

Like whirlpools in the ocean, spinning black holes in space create a swirling torrent around them.

However, black holes do not create eddies of wind or water. Rather, they generate disks of gas and dust heated to hundreds of millions of degrees that glow in X-ray light.


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Post by Dragon Tue Aug 10, 2021 2:36 am



Stunning Einstein Ring! Gravitationally-Lensed Galaxy Snapped

When a cluster of galaxies lies along our line of sight, the light from a faraway galaxy behind can be magnified.

Astronomers working with the ALMA telescope in Chile, have taken high resolution images of the ring-light from a galaxy almost 12 billion light-years away called SDP.81 aka HATLAS J090311.6+003906


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