1
Galaxies
huge collection of dust, gas, and billions of stars with their solar system
2
Asteroids
mainly found between Mars and Jupiter
1.1-19 million larger than 0.5 miles
3
Comets
a small, icy body that, when passing the sun, warms and spins gases that form a tail millions of miles long
4
Spacecraft
satellites orbit spacecraft, fly by spacecraft, landing, and rover
5
Planets
1. orbit a star
2. have enough gravity to form a spherical shape
3. has to have enough gravity to keep its orbit
6
Moons
Earth has 1
Mars has 2
Jupiter has 79
Saturn has 83
Uranus has 27
Neptune has 14
7
Stars
Giant spheres of super hot gas made of mostly hydrogen and helium
8
Constellations
a pattern of stars that people imagine to represent a figure, animal, or object