File:Planetary nebulae H-R.gif
Planetary_nebulae_H-R.gif (270 × 201 pixels, file size: 6 KB, MIME type: image/gif)
Summary edit
The diagram is a schematic H-R showing the evolutionary tracks of planetary nebula central stars.
Licensing edit
Description |
This is a planetary nebulae H-R diagram of central stars. |
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Source |
The image appears on a website entitled, "Planetary Nebulae" at url=http://ned.ipac.caltech.edu/level5/Jacoby/Jacoby8_1.html. |
Date |
1989 |
Author |
Jacoby et al. 1989 |
Rationale |
No free licensed or public domain alternatives known to exist to show a planetary nebulae H-R diagram of central stars. |
Permission |
Fair Use, site restriction. |
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:54, 26 March 2014 | 270 × 201 (6 KB) | Marshallsumter (discuss | contribs) | The diagram is a schematic H-R showing the evolutionary tracks of planetary nebula central stars. Category:Astronomy Images |
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File usage
The following 10 pages use this file:
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- Draft:Distances/Quiz