Apogee

Science / Weather / Apogee: The point farthest from the earth on the moon's orbit. This term can be applied to any other body orbiting the earth, such as satellites. It is the opposite of perigee.
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Perigee

Science / Astrology / Perigee: The point of orbit at which a planet is closest to Earth. MORE

Apsides

Science / Tides and Currents / Apsides: The points in the orbit of a planet or moon which are the nearest and farthest from the center of attraction. In the Earth's orbit these are called perihelion and aphelion, and in the Moon's orbit, pe MORE

Parallax Inequality

Science / Tides and Currents / Parallax Inequality: The variation in the range of tide or in the speed of a tidal current due to changes in the distance of the Moon from the Earth. The range of tide and speed of the current tend alternately to increase MORE

Apogean Tides Or Tidal Currents

Science / Tides and Currents / Apogean Tides Or Tidal Currents: Tides of decreased range or currents of decreased speed occurring monthly as the result of the Moon being in apogee. The apogean range (An) of the tide is the average range occurring at the time of ap MORE

Awdl

Entertainment / Literature / Awdl: (from Middle Welsh odl) The term in Welsh poetry has come to acquire several meanings. In its earliest usage, an awdl meant a stave bearing the rhyme in any poem. Next, it came to mean a series of mon MORE