Galaxies

huge collection of dust, gas, and billions of stars with their solar system

Asteroids

mainly found between Mars and Jupiter

1.1-19 million larger than 0.5 miles

Comets

a small, icy body that, when passing the sun, warms and spins gases that form a tail millions of miles long

Spacecraft

satellites orbit spacecraft, fly by spacecraft, landing, and rover

Planets

1. orbit a star

2. have enough gravity to form a spherical shape

3. has to have enough gravity to keep its orbit

Moons

Earth has 1

Mars has 2

Jupiter has 79

Saturn has 83

Uranus has 27

Neptune has 14

Stars

Giant spheres of super hot gas made of mostly hydrogen and helium

Constellations

a pattern of stars that people imagine to represent a figure, animal, or object