File:Dark matter in the belly of the whale ESA19692782.tiff
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Original file (3,113 × 2,000 pixels, file size: 14.03 MB, MIME type: image/tiff)
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[edit]DescriptionDark matter in the belly of the whale ESA19692782.tiff |
English: This image, taken with the NASA/ESA Hubble Space Telescope, focuses on an object named UGC 695, which is located 30 million light-years away within the constellation Cetus (The Sea Monster), also known as The Whale. UGC 695 is a low-surface-brightness (LSB) galaxy. These galaxies are so faint that their brightness is less than the background brightness of Earth’s atmosphere, which makes them tricky to observe. This low brightness is the result of the relatively small number of stars within them — most of the baryonic matter in these galaxies exists in the form of huge clouds of gas and dust. The stars are also distributed over a relatively large area. LSB galaxies, like dwarf galaxies, have a high fraction of dark matter relative to the number of stars they contain. Astronomers still debate about how LSB galaxies formed in the first place. |
Date | 13 September 2019 (upload date) |
Source | Dark matter in the belly of the whale |
Author | European Space Agency |
Other versions |
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Activity InfoField | Space Science |
Mission InfoField | Hubble Space Telescope |
Licensing
[edit]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 & NASA, D. Calzetti; CC BY 4.0
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current | 01:49, 21 August 2024 | 3,113 × 2,000 (14.03 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/09/dark_matter_in_the_belly_of_the_whale/19692772-1-eng-GB/Dark_Matter_in_the_Belly_of_the_Whale.tif via Commons:Spacemedia |
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Width | 3,113 px |
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Height | 2,000 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 28 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC (Windows) |
File change date and time | 10:05, 16 May 2019 |
Color space | Uncalibrated |