Pluto
Ceres
Eris
Makemake
Haumea
100

When was Pluto discovered?

1930

100

How long does a day last on Ceres? 

9 hours

100

When was Eris identified?

January 5, 2005 by Michael Brown and Chad Trujillo 

100

When was Makemake discovered?

March 31, 2005

100

What is Haumea's nickname?

Santa

200

How long does a day on Pluto last?

153 hours

200

Where is Ceres orbit? 

Between Jupiter and Mars, in the asteroid belt. 

200

Due to its size, scientists almost considered this dwarf planet to be what? 

The 10th planet in our solar system.

200

How long does it take for Makemake to travel around the sun? 

310 Earth years

200

How many moons does Haumea have?

2 small moons, Hi'iaka and Namaka

300

which direction does Pluto rotate?

Opposite from earth, the sun rises in the West and sets in the East. 

300

What are the "bright spots" on Ceres' surface?

Large salt deposits 

300

What two chemicals are found in a thin layer of Eris's surface?

Nitrogen and Methane 

300

How long is a day on Makemake?

22.5 hours

300

How long does it take for Haumea to travel around the Sun?

4.6 Earth years. 

400

What is the average surface temperature of Pluto?

-400 o F 


400

How much water do scientists believe Ceres is composed of? 

25%, if scientists are correct, though frozen, Ceres would have more water than planet Earth. 

400

How many moons does Eris have?

One small moon named Dysnomia.

400

Which direction does Makemake rotate?

It rotates in the same direction as earth, meaning the sun rises in the East and sets in the West. 

400

How long is a day on Haumea?

9 hours

500

How many moons does Pluto have? 

Can you name them? 

5 moons

Charon, Nix, Hydra, Kerberos, and Styx

500

How long does it take Ceres to orbit the Sun? 

4.6 Earth years. 

500

How much light does Eris reflect?

96%, one of the most reflective bodies in our solar system. 

500
What is the average surface temperature o n Makemake?

-406oF

500

How many known moons does Haumea have?

None. 
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