ch 2 vocab

Question 1

star

Answer 1

is a ball of hot gases that gives off light and other types of energy.

Question 2

universe

Answer 2

is everything that exists throughout space.

Question 3

galaxy

Answer 3

is a star system that contains large groups of stars.

Question 4

planet

Answer 4

is a large nearly round space object that orbits a star.

Question 5

moon

Answer 5

is a large rocky object that orbits a planet.

Question 6

dwarf planet

Answer 6

is an object that orbits the sun, is larger than an asteroid and smaller than a planet and has nearly round shape.