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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.

Contributors in Space flight

Space flight

Astronomical unit (AU)

Aerospace; Space flight

Based on the mean Earth-to-sun distance, 149,597,870 km. Refer to "Units of Measure" section for complete information.

Astronomical twilight

Aerospace; Space flight

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

Asteroids

Aerospace; Space flight

Small bodies composed of rock and metal in orbit about the sun.

C

Aerospace; Space flight

The speed of light, 299,792 km per second.

Bi-phase

Aerospace; Space flight

A modulation scheme in which data symbols are represented by a shift from one phase to another. See Chapter 10.

Billion

Aerospace; Space flight

In the U.S., 109. In other countries using SI, 1012.

Beacon

Aerospace; Space flight

Downlink from a spacecraft that immediately indicates the state of the spacecraft as being one of several possible states by virtue of the presence and/or frequency of the subcarrier. See Chapter 10. ...

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