The Solar System
The Sun
Inner Planets
Outer Planets
Asteroids, Comets, Meteors
100

An Earth-centric model of the universe

What is a geocentric model?

100

The center of the Sun

What is the core?

100

The inner planets in order from closest to the Sun

What is Mercury, Venus, Earth, and Mars?

100

Another name for the outer planets

What are the "gas giants?"

100

Many _______ move between Mars and Jupiter

What are asteroids?

200

A Sun-centric model of the solar system

What is the heliocentric model?

200

The source of the Sun's energy

What is nuclear fusion?

200

The smallest planet

What is Mercury?

200

The largest planet in the solar system

What is Jupiter?

200

The space object known as a "shooting star"

What is a meteor?

300

The scientist that helped Kepler prove that planets orbit the Sun in an elliptical orbit

Who is Brahe?

300

The middle, irregular layer of the Sun's atmosphere

What is the chromosphere?

300

The makeup of Earth's atmosphere

What is nitrogen and oxygen?

300

The two planets with only hydrogen, helium, and methane in their atmosphere

What are Uranus and Neptune?

300

The key component of a comet

What is ice?

400

Things sent out to discover more about our solar system and beyond

What are space probes?

400

Eruptions of hot gas from the Sun's surface

What are Solar Flares?

400

The planet whose surface cannot stay warm and whose diameter is half that of Earth's

What is Mars?

400

The rotation time of Jupiter

What is 10 hours?

400

A space object that reaches Earth's surface

What is a meteorite?

500

This person built their own telescope shortly after it was invented

Who is Galileo?

500

The stream of charged particles produced by the Corona

What are Solar Winds?

500

The atmosphere of Venus

What is carbon dioxide with clouds of sulfuric acid?

500

The gases that make up the atmosphere of the majority of the outer planets?

What is hydrogen, helium, sulfur, nitrogen, oxygen, and methane?

500

The orbit time of Halley's Comet

What is 76 years?