File:Spots on the Sun vs spots on extreme horizontal branch stars (artist's impression).jpg
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DescriptionSpots on the Sun vs spots on extreme horizontal branch stars (artist's impression).jpg |
English: Spots on extreme horizontal branch stars (right) appear to be quite different from the dark sunspots on our own Sun (left), but both are caused by magnetic fields. The spots on these hot, extreme stars are brighter and hotter than the surrounding stellar surface, unlike on the Sun where we see spots as dark stains on the solar surface that are cooler than their surroundings. The spots on extreme horizontal branch stars are also significantly larger than sunspots, covering up to a quarter of the star’s surface. While sunspots vary in size, a typical size is around an Earth-size planet, 3000 smaller than a giant spot on an extreme horizontal branch star. |
Date | |
Source | https://www.eso.org/public/images/eso2009b/ |
Author | ESO/L. Calçada, INAF-Padua/S. Zaggia |
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts 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 | 15:17, 1 June 2020 | 3,840 × 2,160 (752 KB) | Agile Jello (talk | contribs) | Uploaded a work by ESO/L. Calçada, INAF-Padua/S. Zaggia from https://www.eso.org/public/images/eso2009b/ with UploadWizard |
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Credit/Provider | ESO/L. Calçada, INAF-Padua/S. Zaggia |
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Source | European Southern Observatory |
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Date and time of data generation | 17:00, 1 June 2020 |
Software used | Adobe Photoshop CC 2019 (Windows) |
File change date and time | 16:49, 26 May 2020 |
Date and time of digitizing | 18:45, 26 May 2020 |
Date metadata was last modified | 18:49, 26 May 2020 |
Unique ID of original document | xmp.did:fba625cc-34ee-0f40-a01f-721878185909 |
Contact information |
Karl-Schwarzschild-Strasse 2 Garching bei München, None, D-85748 Germany |
IIM version | 4 |