File:Hubble-Space-Telescope-Galaxy-Collection.jpg

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Hubble-Space-Telescope-Galaxy-Collection

Description	English: THIS COLLECTION OF 36 IMAGES FROM NASA’S HUBBLE SPACE TELESCOPE FEATURES GALAXIES THAT ARE ALL HOSTS TO BOTH CEPHEID VARIABLES AND SUPERNOVAE. THESE TWO CELESTIAL PHENOMENA ARE BOTH CRUCIAL TOOLS USED BY ASTRONOMERS TO DETERMINE ASTRONOMICAL DISTANCE, AND HAVE BEEN USED TO REFINE OUR MEASUREMENT OF THE HUBBLE CONSTANT, THE EXPANSION RATE OF THE UNIVERSE. THE GALAXIES SHOWN IN THIS PHOTO (FROM TOP ROW, LEFT TO BOTTOM ROW, RIGHT) ARE: NGC 7541, NGC 3021, NGC 5643, NGC 3254, NGC 3147, NGC 105, NGC 2608, NGC 3583, NGC 3147, MRK 1337, NGC 5861, NGC 2525, NGC 1015, UGC 9391, NGC 691, NGC 7678, NGC 2442, NGC 5468, NGC 5917, NGC 4639, NGC 3972, THE ANTENNAE GALAXIES, NGC 5584, M106, NGC 7250, NGC 3370, NGC 5728, NGC 4424, NGC 1559, NGC 3982, NGC 1448, NGC 4680, M101, NGC 1365, NGC 7329, NGC 3447.
Date	22 May 2022
Source	https://scitechdaily.com/images/Hubble-Space-Telescope-Galaxy-Collection.jpg
Author	NASA, ESA, ADAM G. RIESS (STSCI, JHU)

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:50, 22 May 2022		2,000 × 892 (281 KB)	Drbogdan (talk \| contribs)	Uploaded a work by NASA, ESA, ADAM G. RIESS (STSCI, JHU) from https://scitechdaily.com/images/Hubble-Space-Telescope-Galaxy-Collection.jpg with UploadWizard

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