Solar System Flashcards
1
Q
Terrestrial planet
A
Is a planet that is composed primarily of silicate rocks or metals.
2
Q
Hydrosphere
A
All the water on the earths surface as lakes and seas, and sometimes including water over the earths surface, such as clouds
3
Q
Asteroids
A
Minor planets
4
Q
Nebula
A
Is a large cloud of dust and gas in space.
5
Q
Nebular model
A
Is the most widely accepted model of the formation of the solar system
6
Q
Accretion
A
Is when small particles collide and stick together
7
Q
Comets
A
Are probably composed of tower material from when the solar system formed
