Foss Planetary Science Inv. 1 & 2

Front

What is point of view in planetary science?

Back

The position from which an observation is made.

Front

What does Earth's rotation on its axis cause?

Back

The day and night cycle.

Front

How long does Earth's rotation last?

Back

24 hours.

Front

What happens to a ship as it sails away from an observer on the beach?

Back

Only the top of the ship is visible because the horizon blocks the rest of the ship from view.

Front

What is elevation?

Back

The distance above sea level.

Front

What is the horizon?

Back

The line where the sky and Earth's surface appear to meet.

Front

What is the significance of Earth's rotation?

Back

It affects the cycle of day and night.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, while revolution is the orbit of Earth around the Sun.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis as it revolves around the Sun.

Front

What is an observer's line of sight?

Back

A straight line along which an observer can view without obstruction.