File:A Dead Star’s Shroud (iotw2215a).tiff
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Original file (7,321 × 7,209 pixels, file size: 302.02 MB, MIME type: image/tiff)
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[edit]DescriptionA Dead Star’s Shroud (iotw2215a).tiff |
English: This image, which looks a little like an enormous bubble in space, features a planetary nebula known as EGB 6. It was imaged by the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory (KPNO), a Program of NSF’s NOIRLab. Planetary nebulae, notoriously, have nothing to do with planets. They form during the dying millennia of intermediate-mass stars, stars with masses between one and eight times the mass of the Sun. “Dying millennia” might sound like a very long time, but compared to the overall lifespan of a star, planetary nebulae are extremely short-lived. Towards the end of their life cycle, intermediate-mass stars enter the red giant phase, during which fusion reactions temporarily reignite in a dying star’s core. Layers of gas, shed or ejected during the red giant phase, absorb vast amounts of energy and create the gorgeous phenomena known as planetary nebulae. The dying millenia only last about 20,000 years, a mere blink of an eye when you consider that intermediate-mass stars shine steadily for between 30 million to 10 billion years (depending on their mass) before they die. |
Date | 13 April 2022 (upload date) |
Source | A Dead Star’s Shroud |
Author | KPNO/NOIRLab/NSF/AURA Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), M. Zamani (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab) |
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[edit]This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:13, 11 July 2023 | 7,321 × 7,209 (302.02 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/iotw2215a.tif via Commons:Spacemedia |
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Width | 7,321 px |
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Height | 7,209 px |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 27,136 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 7,209 |
Bytes per compressed strip | 316,662,534 |
Horizontal resolution | 25.4 dpi |
Vertical resolution | 25.4 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 23.0 (Windows) |
File change date and time | 00:09, 5 March 2022 |
Color space | Uncalibrated |