Pluto and Dwarf Planet Questions

What is the radius of the planet Pluto?

0.2 Earth's

In what year was Pluto first seen through a telescope?

1930

What year was Pluto reclassified from a planet to a dwarf planet?

2006

How many AU's from the sun is Pluto?

40

How many moons does Pluto have?

5

What are the five dwarf planets in our solar system?

Ceres, Pluto, Haumea, Makemake, and Eris

Which of Pluto's moons is the largest?

Charon

Which dwarf planet takes the longest amount of time to go around the sun?

Eris

What is a Plutoid?

Icy dwarf planet beyond Neptune.

All of the following are true of Pluto except:

Pluto is always further from the sun than the eight planets.

What is the surface of Pluto like?

Scientists believe the surface is mostly rock and ice, but are not sure.

Why is Pluto no longer considered one of the planets in our solar system?

There are too many similar bodies to Pluto, we would have to consider all of them planets by classification.