Crossword clues for perigee
perigee
- Nearest approach
- Point in an ellipse
- Orbital low point
- Periapsis in Earth orbit
- The point in its orbit where a satellite is nearest to the Earth
- Innermost orbital point
- Point in the orbit nearest the earth
- Clothing caught by épée awfully near point
- Endless danger? Gosh — it's where something is as close as possible!
- Lowest point of an orbit
- Orbital point
The Collaborative International Dictionary
Perigee \Per"i*gee\, Perigeum \Per`i*ge"um\, n. [NL. perigeum, fr. Gr. ? about, near + ? the earth: cf. F. p['e]rig['e]e.] (Astron.) That point, in the orbit of the moon or other body orbiting the earth, which is nearest to the earth; -- opposed to apogee. It is sometimes, but rarely, used of the nearest points of bodies not orbiting the earth, such as of a comet, a planet, etc. Called also epigee, epigeum.
Douglas Harper's Etymology Dictionary
"point at which a celestial body is nearest the Earth," 1590s, from Modern Latin perigeum (15c.), from Late Greek peregeion, used by Ptolemy as a noun, properly neuter of adjective perigeios "near the earth," from peri ges, from peri "near" (see peri-) + ges, genitive of ge "earth" (see Gaia).
Wiktionary
n. 1 (context astronomy English) The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter. 2 (context astronomy more generally English) The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite. 3 (context possibly archaic outside astrology English) The point, in any trajectory of an object in space, where it is closest to the Earth.
WordNet
n. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth [ant: apogee]
Usage examples of "perigee".
Apollo lunar seismometers have found that moonquakes are most common during lunar perigee, when the Earth is closest to the Moon, and there are at least some hints of earthquakes at the same time.
After their orbits were stabilized with a perigee no less than a hundred thousand kilometres, their ores had been mined out and the refined metal sent down to the planet below in the form of giant lifting bodies which coasted through the atmosphere to a splash-glide landing in the ocean.
New London followed a slightly elliptical orbit high above the Earth, with an apogee of forty-five thousand kilometres and a perigee of forty-two thousand kilometres.
Even at perigee - er, perijove - it's much too high to be affected by atmospheric drag.
Apogee and perigee and the sidereal day and ectocraters and the ejecta hypothesis.
As F'lessan watched, the Estimated Time to Perigee ticked over to 5800.