Ch. 2 Vocab Study Flashcard

Front

What is the solar system?

Back

The Sun and the objects that move around it

Front

What is an orbit?

Back

A circular path around the Sun

Front

What is a satellite?

Back

A body that orbits a larger body

Front

What is the axis of the Earth?

Back

An imaginary line running from the North Pole through the center of the planet to the South Pole

Front

Rotation

Back

Spin on an axis

Front

Revolution in terms of Earth

Back

One orbit of Earth around the Sun

Front

What happens during a solstice?

Back

Day when the Sun’s vertical rays are farthest from the equator

Front

What are equinoxes?

Back

Days when the Sun’s rays strike the equator directly

Front

What is the Arctic Circle?

Back

A line of latitude located 66.5° north of the equator

Front

What is the Antarctic Circle?

Back

A line of latitude located 66.5° south of the equator