File:Hamilton's Object (2021-046).png

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"This Hubble Space Telescope snapshot shows three magnified images of a distant galaxy embedded in a cluster of galaxies.

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DescriptionHamilton's Object (2021-046).png	English: "This Hubble Space Telescope snapshot shows three magnified images of a distant galaxy embedded in a cluster of galaxies.
Date	7 October 2021 (upload date)
Source	Hamilton's Object
Author	LEAD AUTHOR: NASA, ESA, Richard E. Griffiths (UH Hilo) CO-AUTHOR: Jenny Wagner (ZAH) IMAGE PROCESSING: Joseph DePasquale (STScI)
Other versions	TIFF version

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This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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current	12:15, 15 August 2023		3,354 × 2,684 (13.49 MB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://stsci-opo.org/STScI-01FFJEA6WHSMPVAWXD3ZBPZX0N.png via Commons:Spacemedia

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File:Hamilton's Object (2021-046).tiff

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Author	Space Telescope Science Institute Office of Public Outreach
Image title	Gazing into the universe is like looking into a funhouse mirror. That's because gravity warps the fabric of space, creating optical illusions.Many of these optical illusions appear when a distant galaxy's light is magnified, stretched, and brightened as it passes through a massive galaxy or galaxy cluster in front of it. This phenomenon, called gravitational lensing, produces multiple, stretched, and brightened images of the background galaxy.This phenomenon allows astronomers to study galaxies so distant they cannot be seen other than by the effects of gravitational lensing. The challenge is in trying to reconstruct the distant galaxies from the odd shapes produced by lensing.Astronomers using the Hubble Space Telescope stumbled upon one such odd shape while analyzing quasars, the blazing cores of active galaxies. They spotted two bright, linear objects that appeared to be mirror images of each other. Another oddball object was nearby.The features so befuddled the astronomers that it took them several years to unravel the mystery. With the help of two gravitational-lensing experts, the researchers determined that the three objects were the distorted images of a faraway, undiscovered galaxy. But the biggest surprise was that the linear objects were exact copies of each other, a rare occurrence caused by the precise alignment of the background galaxy and the foreground lensing cluster.
Short title	'Double' Galaxy Mystifies Hubble Astronomers
Credit/Provider	NASA, ESA, R. Griffiths (University of Hawaii) and J. Wagner (University of Heidelberg)
Headline	Galaxy Cluster's Gravity Produces Mirror Images of Distant Galaxy Behind It
Source	STScI
Usage terms	http://hubblesite.org/copyright/
Color space	sRGB
Exif version	2.31
Image width	3,354 px
Image height	2,684 px
Bits per component	8 8 8
Height	2,684 px
Width	3,354 px
Pixel composition	RGB
Number of components	3
Horizontal resolution	71.98 dpi
Vertical resolution	71.98 dpi
Contact information	outreach@stsci.edu http://hubblesite.org 3700 San Martin Drive Baltimore, MD, 21218 USA 410-338-4444
Keywords	SDSS J223010.47-081017.8
Date metadata was last modified	13:22, 13 September 2021
Unique ID of original document	01A23C38C60679725CBEF92874BFB21F
File change date and time	12:52, 13 September 2021

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