1.
Studying celestial beings outside of earth
2.
A magnification object that helps see things in space better
3.
An infinitely dense object in space
4.
Combination of two atoms which gives off a ton of energy
5.
A star that has collapsed on itself
6.
Galaxies moving away from earth
7.
The most widely accepted theory about the origin of our universe
8.
A cloud of gas and dust in space
9.
A unit equal to the distance from the earth to the sun
10.
the reason stars red shift and blue shift
11.
A group of stars (sometimes in a spiral shape)
12.
A star after its lost all of its fuel
