Space flight

Space flight

Of or relating to the act of voyaging outside the Earth's atmosphere and into outer space, and the science involved in achieving it.

Industry: Aerospace

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Space flight

rise

Aerospace; Space flight

As in ascending above the horizon, for the technical definition, please follow this link to the U.S. Naval Observatory's Astronomical Applications.

retrograde

Aerospace; Space flight

Orbit in which the spacecraft moves in the opposite direction from the planet's rotatation. See prograde.

refraction

Aerospace; Space flight

The deflection or bending of electromagnetic waves when they pass from one kind of transparent medium into another.

reflection

Aerospace; Space flight

The deflection or bouncing of electromagnetic waves when they encounter a surface.

red dwarf

Aerospace; Space flight

A small star, on the order of 100 times the mass of Jupiter.

Circular polarization of an electromagnetic wave is a polarization where the tip of the electric field vector, at a fixed point in space, describes a circle as time progresses. If the wave is frozen ...

radian

Aerospace; Space flight

Unit of angular measurement equal to the angle at the center of a circle subtended by an arc equal in length to the radius. Equals about 57.296 degrees.