File:SphereParallel.png
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Summary
| Description |
English: On the sphere there is no such thing as a parallel line. Line a is a great circle, the equivalent of a straight line in spherical geometry. Line c is equidistant to line a but is not a great circle. It is a parallel of latitude. Line b is another geodesic which intersects a in two antipodal points. They share two common perpendiculars (one shown in blue). |
| Date | |
| Source | Own work |
| Author | BlackShift |
 | This image was uploaded with an opaque background where it should have been transparent. If possible, please upload a PNG or SVG version of this image, derived from a non-JPEG source so that it has an alpha channel and no compression artifacts (or with existing artifacts removed). If it is not possible to obtain a cleaner version then consider creating a new, derivative, image with the background removed, while leaving this image alone; use templates such as {{Retouched picture}} and {{Derivative versions}} as appropriate; then ignore the rest of these requests. After doing so, please:
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Licensing
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This work has been released into the public domain by its author, BlackShift at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: BlackShift grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2006-04-13 19:43 BlackShift 341×344× (13548 bytes)
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:17, 21 November 2018 | | 341 × 344 (13 KB) | Theklan | User created page with UploadWizard |
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