Moon Phases and Eclipses

Front

What is the umbra?

Back

The darkest shadow region formed when light is completely blocked.

Front

What phase comes after a full moon?

Back

Waning gibbous.

Front

What does a waxing gibbous moon look like?

Back

It is a phase where more than half of the moon is illuminated and increasing.

Front

What is a waning crescent moon?

Back

A phase of the moon where less than half of the moon's surface is illuminated and decreasing.

Front

What does a crescent moon look like?

Back

A toe-nail shaped appearance of the moon's lit surface, where less than half looks lit.

Front

What is a new moon?

Back

A phase of the moon when it is not visible from Earth because the illuminated side is facing away.

Front

What is a gibbous moon?

Back

A phase of the moon where more than half of the moon's surface is illuminated.

Front

What is the penumbra?

Back

The lighter shadow region that surrounds the umbra during an eclipse.

Front

What happens during a lunar eclipse?

Back

The Earth comes between the sun and the moon, blocking sunlight from reaching the moon.

Front

What is a solar eclipse?

Back

An event where the moon passes between the Earth and the sun, blocking the sun's light.