Pluto

What is the temperature on Pluto?

-300°F

How many moons does Pluto have?

5

What is Pluto's bedrock made of?

Ice

What are the three requirements according to the IAU for being a planet?

1) The planet must orbit the Sun 2) The planet must clear its neighborhood 3) The planet must be round shaped

How far away is Pluto from the Sun?

3.6 billion miles

Briefly describe how and when Pluto was discovered:

Astronomers noticed that Neptune and Uranus' orbits were being affected by an unknown object's gravity and in 1930, Clyde Tombaugh, after studying many images of the night sky, finally found Pluto.

Why was Pluto demoted from a planet to a dwarf planet?

It didn't meet the new planetary requirements in 2006; it did not clear its neighborhood

What is Pluto's atmosphere made up of?

Methane, Carbon monoxide, and Nitrogen

Why is Pluto's orbit irregular and how long is it?

Pluto's orbit is in the shape of an elliptical, crosses Neptune's, and is tilted. It takes 248 Earth years for it to travel around the Sun.

What region of the Solar System does Pluto live in?

The Kuiper Belt