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

Add a new term

Contributors in Space flight

Become a Contributors

Space flight

intermediate frequency (IF)

Aerospace; Space flight

In a radio system, a selected processing frequency between RF (Radio Frequency) and the end product (e.g. Audio frequency).

international celestial reference system (ICRS)

Aerospace; Space flight

Conceptual basis for celestial positions, aligned with respect to extremely distant objects and utilizing the theory of general relativity. Link.

international celestial reference frame (ICRF)

Aerospace; Space flight

The realization of the ICRS provided by the adopted positions of extragalactic objects.

hour angle

Aerospace; Space flight

The angular distance of a celestial object measured westward along the celestial equator from the zenith crossing. In effect, HA represents the RA for a particular location and time of day.

horizon

Aerospace; Space flight

The line marking the apparent junction of Earth and sky. For the technical definition, please follow this link to the U.S. Naval Observatory's Astronomical Applications.

hohmann transfer orbit

Aerospace; Space flight

Interplanetary trajectory using the least amount of propulsive energy. See Chapter 4.

high-gain antenna (hga)

Aerospace; Space flight

An antenna onboard of a spacecraft with a focused, narrow radiowave beam width. This narrow beam width allows more precise targeting of the radio signal - also known as a directional antenna.