Margaritifer Basin (Margaritifer Trilogy Book 1) (129 page)

T
_IG
: Time of Ignition.

TMI
: Trans-Mars Injection. Departing Earth orbit for
Mars.

UHF
: Ultra-High Frequency. Radio frequency of 300
megahertz to 3 gigahertz.

USGS
: United States Geological Survey, Reston,
Virginia.

UTC
: Universal Coordinated Time (formerly Greenwich
Mean Time)

Vallis
: Martian valley. (Plural: valles).

VHF
: Very-High Frequency. Radio frequency of 30 to
300 megahertz.

Viking
: Mars exploratory missions, 1975-76.

VIS
: Visible light.

VOX
: Voice-operated relay.

WILCO
: Will Comply.

∆V
: Delta-V.

Mars USGS Topographical Map

Margaritifer Terra USGS Topographical Map

Margaritifer Basin THEMIS Night Infrared Image