The Solar System: A Cosmic Neighborhood

What is the primary composition of the Sun?

• Hydrogen and helium gases

• Oxygen and nitrogen gases

• Carbon dioxide and methane gases

• Water vapor and ammonia gases

Which planet takes the longest time to complete an orbit around the Sun?

• Neptune

• Mercury

• Earth

• Mars

Where are most asteroids in the solar system found?

• Asteroid belt between Mars and Jupiter

• Kuiper Belt

• Oort Cloud

• Between Earth and Venus

How many officially recognized dwarf planets are there in the solar system?

• Five

• Three

• Seven

• Nine

Which planet has the most moons?

• Jupiter

• Earth

• Mars

• Venus