File:Hubble Views Final Stages of a Star’s Life.jpg
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Summary
[edit]DescriptionHubble Views Final Stages of a Star’s Life.jpg |
English: This image from NASA's Hubble Space Telescope shows NGC 5307, a planetary nebula that lies about 10,000 light-years from Earth. It can be seen in the constellation Centaurus (the Centaur) in the southern hemisphere.
A planetary nebula is the final stage of a Sun-like star. As such, planetary nebulas allow us a glimpse into the future of our own solar system. At the end of its life, a star like our Sun will transform into a red giant. Stars are sustained by the nuclear fusion that occurs in their core, which creates energy. The nuclear fusion processes constantly try to rip the star apart. Only the gravity of the star prevents this from happening. At the end of the red giant phase of a star, these forces become unbalanced. Without enough energy created by fusion, the core of the star collapses in on itself, while the surface layers are ejected outward. After that, all that remains of the star is what we see here: glowing outer layers surrounding a white dwarf star, the remnants of the red giant star’s core. This isn’t the end of this star’s evolution though — those outer layers are still moving and cooling. In just a few thousand years they will have dissipated, and all that will be left to see is the dimly glowing white dwarf. Text credit: European Space Agency (ESA) Image credit: ESA/Hubble & NASA, R. Wade et al. |
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Source | https://www.flickr.com/photos/24662369@N07/48649351116/ |
Author | NASA Goddard Photo and Video |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/48649351116. It was reviewed on 21 February 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
21 February 2020
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Credit/Provider | ESA/Hubble & NASA, R. Wade et al. |
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Source | ESA/Hubble |
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Image title |
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Date and time of data generation | 06:00, 26 August 2019 |
Software used | Adobe Photoshop CC 2019 (Windows) |
File change date and time | 11:41, 27 May 2019 |
Date and time of digitizing | 19:09, 25 February 2019 |
Date metadata was last modified | 13:41, 27 May 2019 |
Unique ID of original document | xmp.did:ac3934c1-7f39-ca4c-a6bb-b97e8e002d5c |
Keywords | NGC 5307 |
Contact information |
Karl-Schwarzschild-Strasse 2 Garching bei München, None, D-85748 Germany |
IIM version | 4 |