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Summary
| Description | The speedy motion of a satellite in space slows down its clocks relative to ours on earth, while its distance out of the earth's gravitational well makes satellite clocks go a bit faster. Thus shuttle pilots age less than a couch potato at the south pole, while geosynchronous orbiters (as well as interstellar dust particles) age more rapidly. This also means that the surface of the earth may be more than a year older than the earth's center, assuming that both were formed at the same time. Although the resulting errors in satellite timing are measured in nanoseconds, lightspeed is 30 centimeters (1 foot) per nanosecond so that the combined effects can result in GPS errors as large as 15 meters if not taken into account. |
| Date | |
| Source | Own work |
| Author | P. Fraundorf |
See also
- Related intro to 1D motion[1].
Footnotes
- ↑ P. Fraundorf (2012) "A fun intro to 1D kinematics", arXiv:1206.2877 [physics.pop-ph].
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:12, 6 March 2008 | | 385 × 380 (15 KB) | Unitsphere | |
| 21:57, 5 March 2008 |  | 288 × 288 (5 KB) | Unitsphere | {{Information |Description=The speedy motion of a satellite in space slows down its clocks relative to ours on earth, while its distance out of the earth's gravitational well makes satellite clocks go a bit faster. Thus shuttle pilots age less than couch |
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