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Mars: 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
ground water
water found under the ground

I

in-situ
in the original, natural position - undisturbed
instruments
tools

M

manned missions
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

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
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