Kuiper Belt
Did Gerard Kuiper discover or predict the existence of the Kuiper Belt?
He predicted it (he did not have the technology to prove his theory)
Is Pluto larger or smaller than Earth's moon?
(just a little) smaller
When first discovered, Ceres was thought to be a planet between which two planets?
Mars and Jupiter
Is Eris slightly larger or smaller than Pluto?
Slightly larger
JOKE TIME! How do you know when a moon has had enough to eat?
When it's full!
The Kuiper Belt is similar to what other belt that we have learned about?
The asteroid belt
What is unique about Pluto's path of orbit?
It tilts/doesn't travel in the same plane as other planets/has an uneven orbit (will accept any of these answers)
When they realized Ceres was not a planet, what did scientists next think it was?
an asteroid
Debate about the size of Eris eventually led to what new classification?
dwarf planets
Haumea is the same number of miles across as the top to the bottom of which US state?
California
What two things are the Kuiper Belt made out of?
Dwarf planets and short-period comets
In what year was Pluto classified as a dwarf planet rather than the 9th planet in our solar system?
2006
Ceres is a dwarf planet, but instead of being in the Kuiper Belt, where is it?
In the asteroid belt
The same person who discovered Makemake also discovered what other dwarf planet?
Eris
Hi'iaka (hi uhi a'ka) and Namaka (na ma' ka) are the names of what?
Haumea's Moons
What is the name of the NASA mission that took pictures of Pluto and is studying other objects in the Kuiper Belt?
New Horizons
How many moons does Pluto have?
5
Is the gravity on Ceres more or less than on Earth?
Scientists have already discovered a moon on which planet - Eris or Makemake?
Eris
How many known dwarf planets are in our solar system?
Five
Name 3 of the 4 things that classify a dwarf planet.
1. Orbits the sun
2. Has enough mass to assume a nearly round shape
3. Is not a moon
4. Has not cleared the neighborhood around its orbit (doesn't have strong enough gravity to pull objects to itself)
How long does a day on Pluto last? 96 Earth hours, 123 Earth hours, or 153 Earth hours
153 Earth hours
How many hours is a day on Ceres? 9 hours, 17 hours, 93 hours
9 hours
How many hours are in a day on Eris? 9 hours, 24 hours, or 52 hours?
24 hours
How long does a day on Haumea last? 3.9 hours, 8.7 hours, or 19.3 hours?
3.89 hours