space vocab Flashcards
(10 cards)
1
Q
Apparent Motion
A
Optical illusion. When objects appear as if they are moving due to our own motion.
2
Q
Axis
A
An imaginary line around which objects rotate.
3
Q
Day/Night Cycle
A
The 24 hour period of light and dark is experienced by Earth as it rotates.
4
Q
Rotate
A
To spin in place.
5
Q
Shadow
A
A shape formed when an object blocks light.
6
Q
Sunrise
A
The apparent rise of the sun above the horizon making daytime.
7
Q
Sunset
A
The apparent setting of the sun below the horizon marking nighttime
8
Q
Orbit
A
The path an object takes as it revolves around a star, planet, or Moon.
9
Q
Revolve
A
To move around another object.
10
Q
A
