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- Aphelion / Aphélie
- The orbital point farthest from the Sun when the Sun is the center of
attraction, as opposed to perihelion.
- Amphidromic point / Point amphidromique
- A no-tide point, from which cotidal lines radiate.
- Amplitude / Amplitude
- In physics, the maximum departure of a wave or other periodic phenomenon
from the average or zero position.
In tide terminology, the semi-range of the harmonic constituent.
- Apogean tides or tidal currents / Aphelion
- Tides of decreased range or currents of decreased speed occurring monthly
when the Moon is near apogee.
- Apogee / Apogée
- That orbital point farthest from the Earth when the Earth is the
center of attraction, as opposed to the Perigee.
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| Reviewed:
2003-02-27
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