When was Pluto discovered?
1930
How long does a day last on Ceres?
9 hours
When was Eris identified?
January 5, 2005 by Michael Brown and Chad Trujillo
When was Makemake discovered?
March 31, 2005
What is Haumea's nickname?
Santa
How long does a day on Pluto last?
153 hours
Where is Ceres orbit?
Between Jupiter and Mars, in the asteroid belt.
Due to its size, scientists almost considered this dwarf planet to be what?
The 10th planet in our solar system.
How long does it take for Makemake to travel around the sun?
310 Earth years
How many moons does Haumea have?
2 small moons, Hi'iaka and Namaka
which direction does Pluto rotate?
Opposite from earth, the sun rises in the West and sets in the East.
What are the "bright spots" on Ceres' surface?
Large salt deposits
What two chemicals are found in a thin layer of Eris's surface?
Nitrogen and Methane
How long is a day on Makemake?
22.5 hours
How long does it take for Haumea to travel around the Sun?
4.6 Earth years.
What is the average surface temperature of Pluto?
-400 o F
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.
How many moons does Eris have?
One small moon named Dysnomia.
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.
How long is a day on Haumea?
9 hours
How many moons does Pluto have?
Can you name them?
5 moons
Charon, Nix, Hydra, Kerberos, and Styx
How long does it take Ceres to orbit the Sun?
4.6 Earth years.
How much light does Eris reflect?
96%, one of the most reflective bodies in our solar system.
-406oF
How many known moons does Haumea have?