8.4 Earth in Space Vocab

Front

Polaris

Back

the North Star

Front

Orbit

Back

The motion of Earth around the Sun.

Front

Scatter

Back

When light reflects off matter in all directions.

Front

Yearly (or Annually)

Back

Happening once a year.

Front

Eclipse

Back

When the position of an object in space blocks how we see another object.

Front

Revolution

Back

The movement of one object around another, such as Earth around the Sun.

Front

Rotation

Back

The spinning of an object around its own axis, like Earth spinning on its axis.

Front

Solar System

Back

The collection of planets and other celestial bodies that orbit the Sun.

Front

Gravity

Back

The force that attracts two bodies towards each other, such as the Earth and the Moon.

Front

Light Year

Back

The distance that light travels in one year, used to measure astronomical distances.