Do You Know Exactly What a Planet Is?

What is the Kuiper Belt primarily composed of?

• Rocky asteroids

• Gaseous planets

• Ice objects

• Metal-rich bodies

Which of the following is a dwarf planet located in the asteroid belt?

• Pluto

• Eris

• Ceres

• Haumea

Which of the following is NOT a requirement for a celestial body to be classified as a planet?

• It must orbit the Sun

• It must have a circular orbit

• It must be round due to its gravity

• It must clear its orbital path

What does the word "planet" mean in ancient Greek?

• Star

• Wanderer

• Light

• Satellite

What is unique about Haumea's shape?

• It is perfectly round

• It is elongated

• It is square

• It is triangular

What is the main component of the objects found in the Kuiper Belt?

• Iron

• Water ice

• Carbon dioxide

• Helium

What is the main reason Pluto is not considered a planet under the current definition?

• It is too far from the Sun

• It has a moon

• It has not cleared its orbital neighborhood

• It is not round

Which planet was the first to be discovered using a telescope?

• Neptune

• Pluto

• Uranus

• Saturn

Which of the following is NOT a dwarf planet?

• Makemake

• Haumea

• Neptune

• Eris

What is the significance of the year 2006 in the context of planetary classification?

• Discovery of Pluto

• Introduction of the term "dwarf planet"

• Discovery of the Kuiper Belt

• First telescope discovery of a planet