The sun is the star at the center of our solar system! The sun makes up almost all of our Solar System’s mass! It is a yellow dwarf star orbited by 8 planets and two dwarf planets.

Sun Quiz

What percentage of the Solar System’s mass does the Sun make up?

  • A: 58%
  • B: 99%
  • C: 80%

How does the sun create heat?

  • A: Nuclear Fusion
  • B: Fire
  • C: Magnetism

What type of star is the Sun?

  • A: Giant Yellow Star
  • B: Blue Giant Star
  • C: Yellow Dwarf Star

Mercury is the first and the smallest planet in the solar system. While Mercury is closer to the Sun than any other planet, it is not the hottest planet in the solar system. It is littered with craters.

Mercury Quiz

What is the smallest planet in the solar system?

  • A: Venus
  • B: Pluto
  • C: Mercury

What lasts longer on Mercury?

  • A: A Year
  • B: An Earth Week
  • C: A Day

Does Mercury have an atmosphere?

  • A: Yes, but small and week
  • B: Yes, a very strong atmosphere
  • C: No

Venus is the second closest planet to the Sun in the solar system and also the second largest terrestrial planet in this system. Venus has no satellites. Similar to Mercury, a day on Venus lasts longer than a year. Venus is the hottest planet in the Solar System.

Venus Quiz

What is the hottest planet in the Solar System?

  • A: Mercury
  • B: Venus
  • C: Jupiter

What is Venus’ sister planet?

  • A: Mars
  • B: Earth
  • C: Neptune

How many times greater is Venus’ atmosphere than Earth’s?

  • A: 92x
  • B: 25x
  • C: 127x

Our home planet, otherwise known as Earth, is the largest terrestrial planet in the Solar System. Being the 3rd planet from the Sun, the Earth is also the only terrestrial planet with a large satellite, the Moon. The earth is also the only planet not named after a Greek or Roman God. The most unique feature of the earth is that it contains life like you.