Longitude

Longitude

Great circles that pass through both the north and south poles, also called meridians.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Aerospace
Category: Space flight
Company: NASA
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Related terms

longitude

Weather; Meteorology

The angular distance along the equator measured from the prime meridian to the meridian of the point in question. Compare latitude.

longitude

Natural environment; Coral reefs

An imaginary great circle on the surface of the Earth passing through the north and south poles at right angles to the equator; "all points on the same meridian have the same ...

longitude

Mathematics; Measurements

Distance that is measured as you travel east or west on the surface of the Earth. Longitude and latitude of a place tell the exact location on the surface of the Earth.

longitude

Astronomy; Moon

Lines of measurement at right angles to the equator of a planet or the Moon. Measured in degrees of angle from a designated line of 0 degrees. On the Moon, 0 degrees longitude ...

longitude

Astronomy; Planetary science

The angular distance East or West, between the meridian of a particular place on Earth and that of Greenwich, England, expressed in degrees or time.

longitude

Sports; Surfing

The distance east or west of the prime meridian, which is located at 0 degrees longitude at Greenwich, England, as measured in degrees along a line or meridian. Each longitude ...

lunar probe

Aerospace; Space flight

A lunar probe is a scientific space exploration mission in which a man-made spacecraft is sent into the Moon orbital space. China launched its latest lunar probe, the Chang'e-2, ...

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Aerospace; Space flight

The time at which air traffic control (ATC) expects that an arriving aircraft following a delay will leave the holding point.

Discovery

Aerospace; Space flight

The oldest of NASA's three surviving space shuttles, Discovery’s maiden voyage was in 1984. It made both return-to-flight missions following the Challenger and Columbia disasters, ...