Pluto Mystery Sci

What was Ceres originally classified as?

• A planet

• A dwarf planet

• A comet

• An asteroid

How did the discovery of Ceres and other bodies change the list of planets?

• It introduced the concept of the asteroid belt

• It led to the discovery of the Kuiper Belt

• It added many new planets to the list

• It made the list shorter

What is the asteroid belt?

• A region between Earth and Mars

• A region between Mars and Jupiter filled with small celestial bodies

• A belt worn by astronauts

• A single large asteroid in space

What are asteroids?

• Small moons

• Small stars

• Giant rocks floating in space

• Comets

What did astronomers discover in the 1990s that changed our view of Pluto?

• A ring around Pluto

• Water on its surface

• Its true size

• Other similar small planets near Pluto

Who was the Kuiper Belt named after?

• A famous astronaut

• A scientist who discovered Pluto

• An astronomer who predicted its existence

• The first person to photograph an asteroid

What is the Kuiper Belt?

• A region beyond Neptune filled with small celestial bodies

• A new planet discovered in the 1990s

• A large asteroid in the asteroid belt

• A belt made of asteroids between Earth and Mars

What led to the reclassification of Pluto as not a major planet?

• Its size compared to other planets

• The discovery of water on its surface

• The discovery of similar small bodies in the Kuiper Belt

• Its distance from the Sun

Why did scientists decide to reclassify Pluto?

• Because it orbits another planet

• Because of its similarity to other objects in the Kuiper Belt

• Because it's too small

• Because it's too far from the Sun

Why can Pluto still be considered a part of our solar system's family of planets?

• Because it is still a planet, just not a major one

• Because it is the largest object in the Kuiper Belt

• Because it has its own moons

• Because it was the first planet discovered