An Earth-centric model of the universe
What is a geocentric model?
The center of the Sun
What is the core?
The inner planets in order from closest to the Sun
What is Mercury, Venus, Earth, and Mars?
Another name for the outer planets
What are the "gas giants?"
Many _______ move between Mars and Jupiter
What are asteroids?
A Sun-centric model of the solar system
What is the heliocentric model?
The source of the Sun's energy
What is nuclear fusion?
The smallest planet
What is Mercury?
The largest planet in the solar system
What is Jupiter?
The space object known as a "shooting star"
What is a meteor?
The scientist that helped Kepler prove that planets orbit the Sun in an elliptical orbit
Who is Brahe?
The middle, irregular layer of the Sun's atmosphere
What is the chromosphere?
The makeup of Earth's atmosphere
What is nitrogen and oxygen?
The two planets with only hydrogen, helium, and methane in their atmosphere
What are Uranus and Neptune?
The key component of a comet
What is ice?
Things sent out to discover more about our solar system and beyond
What are space probes?
Eruptions of hot gas from the Sun's surface
What are Solar Flares?
The planet whose surface cannot stay warm and whose diameter is half that of Earth's
What is Mars?
The rotation time of Jupiter
What is 10 hours?
A space object that reaches Earth's surface
What is a meteorite?
This person built their own telescope shortly after it was invented
Who is Galileo?
The stream of charged particles produced by the Corona
What are Solar Winds?
The atmosphere of Venus
What is carbon dioxide with clouds of sulfuric acid?
The gases that make up the atmosphere of the majority of the outer planets?
What is hydrogen, helium, sulfur, nitrogen, oxygen, and methane?
The orbit time of Halley's Comet
What is 76 years?