ch.2 vocab Flashcards
1
Q
a ball of hot gases that gives off light and other types of energy
A
star
2
Q
everything that exists throughout space
A
universe
3
Q
a star system that contains large groups of stars
A
galaxy
4
Q
a large nearly round space object that orbits a star
A
planet
5
Q
a large rocky object that orbits a planet
A
moon
6
Q
an object that orbits the sun, is larger than an asteroid and smaller than a planet, and has a nearly round shape
A
dwarf planet
