Solar System/Historical Knowledge

Space and all the matter and energy in it

A collection of stars, dust, and gas bound together by gravity

A measure of the amount of matter in an object

A ball of frozen dust and rock that orbits the sun and has a tail that glows

A model of the universe in which Earth is at the center of the revolving planets and stars.

A large cloud of dust and gas in space

Force of attraction between objects

The spinning motion of a planet on its axis

An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates

Small, rocky planets that orbit closest to the sun including Mercury, Venus, Earth, & Mars

Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.

Cause of an object taking a curved path instead of straight

a SMALL rocky body orbiting the sun

The tendency of an object to resist a change in motion

A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.

sun, planets, and all the other objects that revolve around the sun

Based on the belief that the sun is the center of the universe

The movement of an object around another object

Isaac Newton's theory that gravity acts on all objects throughout the universe is called Law of Centrifugal Force

A meteoroid that has hit earth's surface.