Understanding Light and Shadows

What is the primary reason we can see stars in the night sky?

• Stars are closer to Earth than planets.

• Stars are larger than planets.

• Stars reflect light from the moon.

• Stars emit their own light.

Why do shadows appear to move in the opposite direction of the sun?

• Because the sun moves around the Earth.

• Because the Earth rotates.

• Because shadows are illusions.

• Because the moon affects shadow movement.

On Venus, how does the sun appear to move across the sky compared to Earth?

• It rises in the west and sets in the east.

• It does not move at all.

• It rises in the east and sets in the west.

• It moves faster than on Earth.

How long is a day on Venus compared to Earth?

• 365 days

• 48 hours

• 5832 hours

• 24 hours

What is the significance of Gliese 581 in the context of the video?

• It is the closest star to Earth.

• It is a star that is part of our solar system.

• It is a star that might have a habitable planet.

• It is a star that has no planets.