File:Hubble pushed beyond limits to spot clumps of new stars in distant galaxy.jpg

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Description	In this Hubble image of a distant galaxy cluster, a spotty blue arc stands out dramatically against a background of red galaxies. That arc is actually three separate images of the same background galaxy. The background galaxy has been gravitationally lensed, its light magnified and distorted by the intervening galaxy cluster. By using the magnifying power of this natural cosmic lens, astronomers have been able to study the background galaxy in intimate detail. Through sophisticated computer processing, they determined how the galaxy’s image has been warped by gravity. The image at right shows how the galaxy would look to Hubble without distortions. It reveals a disc galaxy containing clumps of star formation that each span about 200 to 300 light-years. This contradicts theories suggesting that star-forming regions in the distant, early Universe were much larger, 3000 light-years or more in size.
Date	10 July 2017, 12:00:36
Source	https://www.spacetelescope.org/images/opo1727a/
Author	NASA, ESA, and T. Johnson (University of Michigan)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:30, 12 July 2017		1,800 × 1,350 (756 KB)	Jmencisom	User created page with UploadWizard

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Galaxy cluster

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Usage on es.wikipedia.org
- Agrupación galáctica
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- Cúmulo de galaxias
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- Ammasso di galassie
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- Галактикалық шоғырлар
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- ဂလက်ဆီ အစုအပြုံ
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- ਗਲੈਕਸੀ ਕਲੱਸਟਰ

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Credit/Provider	NASA, ESA, and T. Johnson (University of Michigan)
Source	ESA/Hubble
Short title	Hubble pushed beyond limits to spot clumps of new stars in distant galaxy
Image title	In this Hubble image of a distant galaxy cluster, a spotty blue arc stands out dramatically against a background of red galaxies. That arc is actually three separate images of the same background galaxy. The background galaxy has been gravitationally lensed, its light magnified and distorted by the intervening galaxy cluster. By using the magnifying power of this natural cosmic lens, astronomers have been able to study the background galaxy in intimate detail. Through sophisticated computer processing, they determined how the galaxy’s image has been warped by gravity. The image at right shows how the galaxy would look to Hubble without distortions. It reveals a disc galaxy containing clumps of star formation that each span about 200 to 300 light-years. This contradicts theories suggesting that star-forming regions in the distant, early Universe were much larger, 3000 light-years or more in size. Links: NASA Press Release Wide field image of galaxy cluster SDSS J1110+6459 Artist's illustration of unlensed source galaxy
Usage terms	Creative Commons Attribution 4.0 International License
Date and time of data generation	12:00, 10 July 2017
JPEG file comment	When the universe was young, stars formed at a much higher rate than they do today. By peering across billions of light-years of space, Hubble can study this early era. But at such distances, galaxies shrink to smudges that hide key details. Astronomers have teased out those details in one distant galaxy by combining Hubble’s sharp vision with the natural magnifying power of a gravitational lens. The result is an image 10 times better than what Hubble could achieve on its own, showing dense clusters of brilliant, young stars.
Keywords	SDSS J1110+6459 SGAS J111020.0+645950.8
Contact information	http://www.spacetelescope.org Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany
IIM version	4

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File:Hubble pushed beyond limits to spot clumps of new stars in distant galaxy.jpg

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inception

10 July 2017

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