File:Explanation of how the magnetic field on a star affects the light emitted.webm
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Original file (WebM audio/video file, VP8, length 53 s, 1,920 × 1,080 pixels, 1.23 Mbps overall, file size: 7.81 MB)
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Summary
| Description |
English: This animation shows what happens as a sunspot (or starspot) forms and the magnetic field increases in strength. The light emerging from the spot starts to demonstrate the Zeeman effect. The dark spectra lines in the spectrum of the emitted light split into three components and the strength of the circular polarisation in parts of the spectrum increases significantly. This polarisation effect is a powerful tool for astronomers to detect and measure stellar magnetic fields. |
| Date | |
| Source | ESO |
| Author | ESO/L. Calçada |
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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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:17, 27 September 2015 | 53 s, 1,920 × 1,080 (7.81 MB) | Originalwana | {{Information |Description ={{en|1=This animation shows what happens as a sunspot (or starspot) forms and the magnetic field increases in strength. The light emerging from the spot starts to demonstrate the Zeeman effect. The dark spectra lines in t... |
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