Astronomy Vocab Flashcards
1
Q
Forces that cause all things to be attracted to one another
A
Gravity
2
Q
***** are objects constantly falling. (similar to revolution)
A
Orbit
3
Q
An object that orbits another object
A
Satellite
4
Q
A flat imaginary plane on which an object orbits
A
Orbital Plane
5
Q
Spinning on an axis
A
Rotation
6
Q
A line that you spin on
A
Axis
7
Q
Gaseous covering around a planet
A
Atmosphere
8
Q
The outer layer of the planet
A
The Crust
9
Q
The center layer of the planet
A
The Core
10
Q
Atoms combining to create a new element
A
Nuclear Fusion
11
Q
One atom splitting into two or more atoms
A
Nuclear Fision
12
Q
A round object that orbits a star
A
Planet
13
Q
Gooey layer under the crust
A
The Mantle
14
Q
A hot ball of plasma usually undergoing fusion
A
Star
15
Q
An object orbiting a planet
A
Moon
