Glossary
A
- Ares
- - Greek god of war
- atmosphere
- - the gases that surround a planet
C
- carbon dioxide
- - a colorless, odorless gas
- Chinese
- - people from China or who live in China
D
- Deimos
- - smaller of the two moons that orbit Mars
E
- earthquakes
- - the movement of the surface of a planet - usually Earth, but in this case refers to the surface of Mars
- Egyptians
- - people from Egypt or who live in Egypt
- equipment
- - tools
- erosion
- - the movement of soil usually by wind or water
- evidence
- - clues
G
- Greeks
- - people from Greece or who live in Greece
I
- in-situ
- - in the original, natural position - undisturbed
- ingredients
- - component parts of a mixture, items combined to make a product
- instruments
- - tools
L
- laboratories
- - aces where scientific research is done
M
- manned mission
- - a mission that includes sending humans
- Mars
- - Roman god of war
- meteor impacts
- - craters left by the impact of a meteor
P
- Phobos
- - larger of the two moons that orbit Mars
- polar regions
- - areas near the north and south pole
- prehistoric
- - before written history
- propelled
- - moving ahead by means of a power source
R
- riverbeds
- - the land under a river - usually after the river is dried up
- robotic arm
- - arm like part of a powered tool which can work in place of a human arm
- Romans
- - people from Rome or who live in Rome
S
- seasons
- - the cycles of spring, summer, autumn and winter
U
- US Naval Observatory
- - the official location for a series of astronomical studies and the official time keeper for the United States
V
- volcanoes
- - geologic feature that allows magma or gases to vent from inside a moon or planet
