The Universe and the Solar System: Components of the Solar System

The video tutorial provides an overview of the solar system's components, including the Sun, planets, asteroid belt, comets, and moons. It describes the Sun as a medium-sized star at the center of the solar system, containing 99% of its mass. The planets are divided into inner rocky planets and outer gas giants. The asteroid belt, located between Mars and Jupiter, separates these two groups. Comets, composed of ice, dust, and gases, orbit the Sun, while moons are dark objects reflecting sunlight.

What percentage of the solar system's mass does the Sun contain?

• 50%

• 75%

• 99%

• 100%

Which of the following is NOT an inner planet?

• Jupiter

• Venus

• Mercury

• Mars

What separates the inner planets from the outer planets?

• Comets

• The Asteroid Belt

• The Moon

• The Sun

What are comets primarily made of?

• Rocks

• Ice, dust, and gases

• Solidified gases

• Metal

What is the primary characteristic of moons in the solar system?

• They orbit the Sun directly

• They emit their own light

• They are made of gas

• They reflect sunlight