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Chapter 9 Science Vocabulary
Planets and Other Objects in Space
10 cards·by katienettles
The star at the center of our solar system
sun
A small planet-like body that orbits Earth
moon
A large object that orbits a star
planet
An imaginary line that goes through both poles of a planet
axis
Earth's path as it moves around the sun
orbit
Everything that exists in space
universe
A large system of stars, gas, and dust
galaxy
A huge burning ball of superheated gas
star
How long does it take Earth to rotate once around its axis
1 day
The reason for seasons
Earth's tilt on its axis