Unit 9: Characteristics of the Solar System Flashcards
1
Q
Atmosphere
A
A mixture of gases that surrounds a planet or moon.
2
Q
Gravity
A
A forceof attraction between objects that is due to their masses.
3
Q
Accomodations
A
Changes that must be made in an enviorment to maintain livable conditions for humans.
4
Q
Manned-Space Exploration
A
humans on board space craft
5
Q
Pressure
A
continuous physical force exerted on or against a object by something in contact with it.
6
Q
Proximity
A
closeness
7
Q
Radiant Energy
A
the enrgy we get from the sun, includes infrared and ultraviolet energy
8
Q
Tempature
A
measurement of heat
9
Q
Solar System
A
sun, planets, and all the other objects that revolve around the sun
10
Q
Micro Gravity
A
condition in which people or objects appear to be weightless
11
Q
Habitable zone
A
range of orbit around a star in which a plant can support liquid water
