Solar System Flashcards
1
Q
Geocentric (Earth Centered)
A
The stars and other celestial bodies are centred around the earth.
2
Q
Heliocentric (Suncentric)
A
The sun is fixed and all the other planets revolve around it.
3
Q
Terrestrial planets
A
Mercury, Venus, Earth, Mars.
4
Q
Gaseous planets
A
Jupiter, Saturn, Neptune, Uranus.
5
Q
Gravitational force
A
The forces of attraction between masses. (e.g. larger planets have stronger gravitational force.)
6
Q
Universe
A
All of space includes stars, planets, galaxy.
7
Q
Galaxy
A
a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
8
Q
Solar system
A
the sun together with the group of celestial bodies that are held by its attraction and revolve around it.
