Proper motion
The proper motion of a star is the change in its position on the sky (the change in the direction in which we see it, as opposed to the radial velocity) after eliminating improper motions.
Related Topics:
Star - Radial velocity - Improper motion
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~ Table of Content ~
| ► | Introduction |
| ► | Introduction |
| ► | History |
| ► | Stars with high proper motion |
| ► | See also |
| ► | External links |
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