Chapter 12 Vocab Flashcards
0
Q
Astronomers
A
A scientist who studies the universe
1
Q
Universe
A
Everything In space
2
Q
Refracting telescope
A
A lens that gathers light
3
Q
Reflecting telescope
A
A telescope that uses mirrors to gather light
4
Q
Observatory
A
A place that astronomers study the sky
5
Q
Radio telescope
A
A telescope that sends out radio waves
6
Q
Satellite
A
An object that circles another object in space
7
Q
Space probe
A
A unmanned craft sent up to space (they do not orbit planets)
8
Q
Astronomical unit
A
A unit to measure how far the earth is to the sun
9
Q
Constellation
A
A group of stars
10
Q
Galaxy
A
A group of stars dust and gases held together by gravity
11
Q
Magnitude
A
A way to measure the brightness of a star
