1
a group of galaxies in a region of space
2
a group of galaxy cluster create this
3
group of planets and other bodies that orbit the Sun
4
close group of galaxies, one of which is the Milky Way
5
another term for moon
6
Unit of distance determined from the speed of light
7
the astronomical unit is a unit of _______
8
rocky bodies that mainly orbit between Mars and Jupiter
9
the nearest star to our Sun is 25 _______ miles away
10
the galaxy our Solar System is a part of
11
The force that gives the universe structure
12
icy bodies that mainly orbit on the fringes of the Solar System
13
A spinning sphere of rock and iron orbiting the Sun
14
Earth's nearest neighbor in space
15
The Sun is a _____
15
2
12
4
11
7
13
6
3
10
9
14
8