File:Under the Sea (potw2323a).tiff
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DescriptionUnder the Sea (potw2323a).tiff |
English: The jellyfish galaxy JO206 trails across this image from the NASA/ESA Hubble Space Telescope, showcasing a colourful star-forming disc surrounded by a pale, luminous cloud of dust. A handful of bright stars with criss-cross diffraction spikes stand out against an inky black backdrop at the bottom of the image. JO206 lies over 700 million light-years from Earth in the constellation Aquarius, and this image of the galaxy is the sixth and final instalment in a series of observations of jellyfish galaxies. Some of Hubble's other observations of these peculiar galaxies — which range from grandiose to ghostly — are available here. Jellyfish galaxies are so-called because of their resemblance to their aquatic namesakes. In this image, the disc of JO206 is trailed by long tendrils of bright star formation that stretch towards the bottom right of this image, just as jellyfish trail tentacles behind them. The tendrils of jellyfish galaxies are formed by the interaction between galaxies and the intra-cluster medium, a tenuous superheated plasma that pervades galaxy clusters. As galaxies move through galaxy clusters they ram into the intracluster medium, which strips gas from the galaxies and draws it into the long tendrils of star formation.The tentacles of jellyfish galaxies give astronomers a unique opportunity to study star formation under extreme conditions, far from the influence of the main disc of the galaxy. Surprisingly, Hubble revealed that there are no striking differences between star formation in the discs of jellyfish galaxies and star formation in their tentacles, which suggests the environment of newly-formed stars has only a minor influence on their formation.[Image Description: A spiral galaxy that is tilted partially toward us. Its inner disc is bright and colourful, with bluish and reddish spots of star formation throughout the arms. An outer disc of pale, dim dust surrounds it. It has many arms, which are being pulled away from the disc, down and to the right. They stretch into long, faint trails that cross the image. The background is dark and mostly empty, with three bright stars.] |
Date | 5 June 2023 (upload date) |
Source | Under the Sea |
Author | ESA/Hubble & NASA, M. Gullieuszik and the GASP team |
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ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: ESA/Hubble
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current | 09:07, 12 June 2023 | 3,487 × 2,179 (43.51 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://esahubble.org/media/archives/images/original/potw2323a.tif via Commons:Spacemedia |
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Width | 3,487 px |
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Height | 2,179 px |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 30,036 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 2,179 |
Bytes per compressed strip | 45,589,038 |
Horizontal resolution | 25.4 dpi |
Vertical resolution | 25.4 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 24.4 (Windows) |
File change date and time | 23:12, 27 May 2023 |
Color space | Uncalibrated |