How many planets have been introduced in the solar system exploration?

• Ten

• Seven

• Five

• Eight

What primarily differentiates dwarf planets from regular planets?

• They have no moons

• They are larger than asteroids but smaller than planets

• They are always found in the Kuiper Belt

• Their orbits are cluttered with asteroids

How many dwarf planets have astronomers named so far?

• Seven

• Ten

• Five

• Three

What is the main reason dwarf planets' paths around the sun are bumpier than those of regular planets?

• Because they are smaller

• Their paths are cluttered with other objects

• They are further from the sun

• They move faster

Which dwarf planet is known for being very cold and was once considered a regular planet?

• Eris

• Makemake

• Haumea

• Pluto

What is unique about Haumea among the dwarf planets?

• It has a lot of moons

• It has a very fast rotation

• It is the largest dwarf planet

• It is located in the asteroid belt

Why does Makemake appear pink?

• Because of the chemicals on its surface

• Due to its high temperature

• It reflects the sun's red light

• Because of the red dust on its surface

Which dwarf planet was discovered around Easter time and nicknamed 'Easter Bunny'?

• Eris

• Haumea

• Pluto

• Makemake

Which dwarf planet is the largest in the solar system?

• Pluto

• Ceres

• Haumea

• Eris

What makes Ceres unique among the dwarf planets?

• It was the first to be visited by a spacecraft

• All of the above

• It's the smallest

• It's the only one in the asteroid belt