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Aerospace

Industry that includes methods of travel and spacecraft for navigating the air or space.

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Aerospace > Space flight

nodes

Aerospace; Space flight

Points where an orbit crosses a reference plane.

neptune

Aerospace; Space flight

Eighth planet from the sun, a gas giant or Jovian planet.

nautical twilight

Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

nadir

Aerospace; Space flight

The direction from a spacecraft directly down toward the center of a planet. Opposite the zenith.

newton (N)

Aerospace; Space flight

The SI unit of force equal to that required to accelerate a 1-kg mass 1 m per second per second (1m/sec2). Compare with dyne.

multiplexing

Aerospace; Space flight

A scheme for delivering many different measurements in one data stream. See Chapter 10.

moonset

Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.