Earth and Space Vocabulary Part 1

The path one object takes as it revolves around another object in space.

Bowl-shaped indents or cavities on the surface of a planet that are caused by a collision with another object.

A natural satellite that orbits a planet.

The star at the center of our Solar System and supplies heat and light to Earth, its gravity keeps the system in orbit.

A planet in our Solar System that has life on it.

A force that pulls objects toward the center of the Earth.

A ball of hot burning gas, primarily hydrogen and helium.

The time it takes the Earth to make a complete rotation on its axis ( 24-hour period).

A line, real or imaginary, around which something spins.

An instrument that shows direction and uses a small magnet to show North. (North, South, East, West)