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100

What are the Jovian planets?

Jupiter 

Saturn

Uranus

Neptune

100

What is the most numerous gas in the Jovian planets?

Hydrogen

100

Which planet has the great dark spot?

Neptune

100

What are the Jovian planets mostly made of? (2 elements)

Hydrogen and Helium

100

What gives Neptune its blue color?

Methane

200

What planet did Shoe-maker Levy collide with?

Jupiter

200

This the closest moon to Jupiter

Io

200

As of 2004, Jupiter has how many moons?

63

200

Jupiter's clouds are made of what 3 things?

Methane, ammonia, and water

200

What is the area beyond Neptune that is thought to be where comets are born?

Kuiper belt (Kooper belt)

300

What is shoe-maker levy?

a comet

300

This moon of Jupiter has huge asteroid impact marks on its surface

Callisto

300

This moon of Jupiter is the largest satellite in the solar system

Ganymeade

300

What is the only moon known to have its own atmosphere? (It is one of Saturn's moons)

Titon

300

Does Pluto have a moon?

yes, Charon

400

What is a small piece of rock moving through space?

Asteroid

400

This moon of Jupiter houses liquid water under its icy surface.

Europa

400

How many moons does Neptune have?

13

400

How many moons does Saturn have?

34

400

What is the difference in a meteor and a meteorite?

Meteors burn up in the atmosphere and meteorites make it all the way to the ground.

500

What is a small piece of rock burning through our atmosphere?

Meteor 

500

How far is an astronomical unit in km? 

150 million km

500

What thing in space is known as a dirty snowball?

comet

500

Which planet is turned on its side?

Uranus

500

What is a meteoroid?

A small rocky body orbiting the sun and is smaller than an asteroid.