Astronomy and Space Exploration Quiz

What is the primary difference between a sidereal day and a solar day?

• A sidereal day is the time it takes for the Sun to rise and set.

• A sidereal day is longer than a solar day.

• A sidereal day is the time it takes for a planet to orbit the Sun.

• A sidereal day is the time it takes for a planet to complete one rotation on its axis.

On Venus, how long does it take to complete one solar day?

• 243 Earth days

• 365 Earth days

• 116 Earth days

• 24 Earth hours

Why do scientists primarily search for life similar to that on Earth?

• Because Earth-like life is the most intelligent.

• Because it's the only type of life we know exists.

• Because other types of life are impossible.

• Because Earth-like life is the most diverse.

What is the main reason scientists look for Earth-like environments when searching for life?

• They are the easiest to study.

• They are the most common in the universe.

• They are the only environments that can support life.

• They are the only environments we know how to identify.

How far is the International Space Station from the Earth's surface?

• 1000 miles

• 250 miles

• 150 miles

• 500 miles

What is the primary function of the International Space Station?

• A satellite repair station

• A tourist destination

• A science laboratory

• A military base

How many astronauts typically live and work on the ISS at any given time?

• 7 to 10

• 3 to 6

• 1 to 2

• 11 to 15

What is the apparent magnitude threshold for stars visible to the naked eye?

• 8.5

• 7.5

• 6.5

• 5.5

Which star is too faint for the naked eye despite being the closest to Earth?

• Proxima Centauri

• Betelgeuse

• Sirius

• Rigel

Approximately how many stars can be seen from London on a clear night without light pollution?

• About 500

• About 10,000

• About 100

• About 5,000