Front

What is the sun's atmosphere called?

Back

Corona

Front

What causes a solar eclipse?

Back

The moon's shadow

Front

What makes the moon turn reddish in a total lunar eclipse?

Back

Earth's Atmosphere

Front

How long does it take the moon to orbit the Earth?

Back

27 days

Front

How often does Earth orbit the sun?

Back

365.25 days

Front

What is a solar eclipse?

Back

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

Front

What is a lunar eclipse?

Back

An event where the Earth passes between the sun and the moon, causing the Earth's shadow to fall on the moon.

Front

What is the umbra?

Back

The darkest part of a shadow during an eclipse.

Front

What is the penumbra?

Back

The lighter part of a shadow during an eclipse.

Front

What is the difference between a total and partial eclipse?

Back

In a total eclipse, the sun or moon is completely obscured; in a partial eclipse, only part is obscured.