The video tutorial covers basic facts about our solar system, including its location in the galaxy, the origin of the solar system, and the nature of the sun. It explains how nuclear fusion produces energy in the sun and describes the forces that keep planets in orbit. The tutorial also highlights Earth's unique features, such as its large amounts of water, and discusses evidence suggesting that water may have once existed on Mars.

Which galaxy is our solar system a part of?

• Andromeda

• Triangulum

• Milky Way

• Whirlpool

What is the primary process that generates energy in the sun?

• Nuclear fusion

• Magnetic resonance

• Chemical reaction

• Nuclear fission

What force keeps the planets in their orbits around the sun?

• Gravity

• Inertia

• Electromagnetism

• Magnetism

How many days does it take for Earth to complete one orbit around the sun?

• 367

• 364

• 366

• 365

Which planet is the closest to the sun?

• Venus

• Earth

• Mercury

• Mars