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GLOSSARY
UTC Universal Time Coordinated is the international reference time on Earth.
MTC Mars Time Coordinated is the reference time on Mars.
Sol A sol is a Martian day, which lasts 24 hours, 39 minutes and 35.244 seconds.
MET Mission Elapsed Time is the elapsed time since the dened start of a mission. In the
case of a space ight, it is the precise moment of rocket take-off.
PET Phase Elapsed Time is the remaining time to an event, or the elapsed time since an
event.
MLS Mars Longitude Solar is the solar longitude on Mars.
CHR Chronograph is the time measurement function.
TMR Timer is the count function before or after an event.
STP Stop indicates that the time has stopped (
and functions only).
SPL Split Time is the split time indication (
and functions only).
STE True Solar Time Earth is the time based on the position of the sun in relation to the
Earth's axis.
STM True Solar Time Mars is the time based on the position of the sun in relation to Mars'
axis.