Space
Europa
Pluto
Planets
Dwarf Planets
100

What is the name of our galaxy?

Milky Way

100

Europa is mostly what material?

Water / Ice

100

Where is it located?

Kuiper Belt

100

Why is Venus hotter than Mercury?

Greenhouse effect

100

What is the difference between dwarf planets and normal planets?

Normal planets have cleared their "orbital neighborhood" of other debris

200

Does Earth have life?

Yes

200

Europa's orbit is what shape?

Ellipse

200

When was Pluto discovered?

1930

200

What characteristics distinguish the Rocky Planets from the Gas Giants?

Their composition and structure
200

Which dwarf planet is located in the Asteroid Belt?

Ceres

300

Is earth round?

Yes

300

When was Europa first discovered?

1610

300

When was Pluto "demoted"?

August 24, 2006

300

If you were to land on a Gas Giant, why would it be impossible to blast off again?

Nature of Gas Giants

300

Why was Pluto reclassified as a dwarf planet in 2006?

The IAU changed the definition of "planet"

400

The sun is what?

A star

400

Europa orbits Jupiter every ___ days

3.5 

400

How many moons does Pluto have?

5

400

Which planet has the longest day?

Venus (243 days)

400

What are the 5 officially recognized dwarf planets in our solar system?

Ceres, Pluto, Eris, Haumea, and Makemake

500

What is the name of the first planet

Mercury

500

Europa is what percent the of the moon?

90%

500

Was Pluto was named by an 11 year old girl?

Yes (Venetia Burney)

500

What defines a Planet?

It must orbit a star, have a clear orbit, and be large enough for its gravity to make it a sphere

500
Why is the Pluto-Charon system not usually compared to the Earth-Moon system

Charon is so big that it is making more of a binary dwarf planet system