Moon Phases and Eclipses

Front

What is the main reason the Moon can be seen from Earth?

Back

The Moon reflects sunlight.

Front

What type of eclipse occurs when the Moon passes between the Earth and the Sun?

Back

Solar eclipse.

Front

What is illuminating the Moon?

Back

Sunlight.

Front

What type of eclipse occurs when the Earth passes between the Sun and the Moon?

Back

Lunar eclipse.

Front

Why does the same side of the Moon always face Earth?

Back

The Moon revolves around Earth and rotates in about the same amount of time.

Front

What are the phases of the Moon?

Back

The different shapes of the Moon as seen from Earth, including new moon, crescent, first quarter, gibbous, and full moon.

Front

What is a new moon?

Back

The phase of the Moon when it is between the Earth and the Sun, and not visible from Earth.

Front

What is a full moon?

Back

The phase of the Moon when it is on the opposite side of the Earth from the Sun, fully illuminated.

Front

What causes the different phases of the Moon?

Back

The changing positions of the Moon, Earth, and Sun relative to each other.

Front

What is a penumbral lunar eclipse?

Back

A type of lunar eclipse where the Moon passes through the Earth's penumbral shadow, causing a subtle shading.