Solar System Quiz

Why is our planetary system called the "solar" system?

• Because it is located in the Milky Way galaxy

• Because it is named after the Latin word for Sun, "solis"

• Because it contains eight planets

• Because it is bound by gravity

Where is our solar system located within the Milky Way galaxy?

• In the galactic core

• In an outer spiral arm

• In the Kuiper Belt

• In the Oort Cloud

Which of the following is NOT part of our solar system?

• The Sun

• The Kuiper Belt

• The Oort Cloud

• The Andromeda Galaxy

What is the Kuiper Belt primarily composed of?

• Electrically charged gas

• Icy bodies smaller than Pluto

• Stars and galaxies

• Rocky planets

What is the approximate distance of one astronomical unit (AU)?

• 1.6 light years

• 93 million miles

• 100,000 astronomical units

• 150 light years

What is the region in space where the solar wind interacts with the interstellar medium, creating a boundary layer?

• The heliopause

• The asteroid belt

• The solar atmosphere

• The magnetosphere

What is the primary reason the first four planets in our solar system are terrestrial planets?

• They are made of gas and ice.

• They are located far from the Sun.

• Only rocky material could withstand the heat near the Sun when the solar system was young.

• They formed from the asteroid belt.

What is the term used to describe the angle between the Sun and a planet as seen from Earth?

• Orbital inclination

• Elongation

• Axial tilt

• Retrograde motion

Which planet has a moon so large that it causes the planet to wobble?

• Jupiter

• Saturn

• Pluto

• Uranus

Which of the following planets are considered inferior planets?

• Mars and Jupiter

• Venus and Mercury

• Saturn and Uranus

• Earth and Neptune