Chapter 13 Study Guide
Test Friday March 9th
Sun- the star at the center of our solar system
Rotate- to spin on an axis
Axis- an imaginary line that passes through Earth’s center and its North and South Poles
Revolve- to travel in a closed path
Orbit – the path one body takes in space as it revolves around another body
Equator- an imaginary line around Earth equally distant from the North and South Poles
Moon- any natural body that revolves around a planet
Crater- a bowl-shaped, low area on the surface of a planet or moon
Moon phase- one of the shapes the moon seems to have as it orbits Earth
Eclipse- an event that occurs when one object in space passes through the shadow of another object in
space
Refraction- the bending of light as it moves from one material to another
Star- a huge ball of very hot gases in space
Solar system- a star and all the planets and other objects that revolve around it
Constellation- a pattern of stars, named after a mythological or religious figure, an object , or an animal
Planet- a body that revolves around a star
Universe- everything that exits, including such things as stars, planets, gas, dust, and energy
Galaxy- a group of gas, dust, and many stars, plus any objects that orbit those stars
Know the difference between a solar and lunar eclipse
Be able to label the planets in order