GCF
Ground Communications Facilities, provides data and voice communications between JPL and the three DSCCs.
Ground Communications Facilities, provides data and voice communications between JPL and the three DSCCs.
Ground Data System, encompasses DSN, GCF, DSMS, and project data processing systems.
DSN's Goldstone Deep Space Communications Complex in California.
A geosynchronous equatorial circular orbit. Also called Clarke orbit.
A direct, circular, low inclination orbit about the Earth having a period of 23 hours 56 minutes 4 seconds.
An orbit in which a satellite's orbital velocity is matched to the rotational velocity of the planet. A spacecraft in ...
Massive clouds of gas in interstellar space composed primarily of hydrogen molecules. These clouds have enough mass to produce thousands ...
When the Moon or other body appears more than half, but not fully, illuminated (from gibbus, Latin for 'humpâ€).