Vocab Flashcards
0
Q
Comet
A
Dirty snowball traveling in an elliptical orbit around the sun
1
Q
Asteroid
A
Small, rocky body in orbit around the sun
2
Q
Constellation
A
Star pattern observed in the night sky
3
Q
Meteorite
A
Bit of space debris or rock that hits Earth
4
Q
Retrograde
A
Clockwise spin
5
Q
Rocket
A
Invention that made space exploration possible
6
Q
Satellite
A
Human-made object orbiting Earth
7
Q
Meteor
A
Small piece of space debris or rock burning up in Earth’s atmosphere
8
Q
Prograde
A
Counterclockwise spin
9
Q
Revolution
A
One orbit around a larger body in space
10
Q
Rotation
A
One spin on an axis
11
Q
Space probe
A
Vehicle carrying scientific instruments into space to collect data
12
Q
Big bang theory
A
Current scientific understanding of how the universe began