(astronomy) The line connecting the two points of an orbit that are nearest and farthest from the center of attraction, as the perigee and apogee of the moon or the perihelion and aphelion of a planet. The length of this line.
line of apsides
| Sci-Tech Dictionary: line of apsides |
(′līn əv ′ap·sə′dēz)
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 | anomalistic year (measure) |
| Apsides |
| apsis |
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 | What is a by-line? |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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Mentioned in
- anomalistic year (measure)
- Apsides
- apsis
- anomaly
- Moon (solar system, sun and planets)
- Communications satellite
- Apse line
- Apsidal precession
- Lunar precession
- Orbital inclination change
- Orbit of the Moon
- Month
- Orbit
- Newton's theorem of revolving orbits
