Earth's Moon
Terrestrial Planets
The Sun
Gas and Ice Giants
Misc. Space Stuff
100
This is what we call it when the entire face of the Moon is illuminated.
What is the full moon?
100
This is the third planet from the Sun.
What is Earth?
100
The sun is this type of heavenly body.
What is a star?
100
This planet has an extensive ring system and 82 known moons.
What is Saturn?
100
This lies between Mars and Jupiter and is composed of millions of rock-like bodies.
What is the Asteroid Belt?
200
This is what we call it when the entire face of the Moon is dark.
What is the new moon?
200
Terrestrial planets are made mostly of this substance.
What is rock?
200
This is what holds all the planets in orbit around the sun.
What is gravity?
200
This planet is a greenish color, is very cold, has rings, and spins on its side.
What is Uranus?
200
This is Jupiter's 6th largest moon believed to contain salt water oceans under its icy surface.
What is Europa?
300
This is what happens when the Earth's shadow is cast on the Moon by the Sun.
What is a lunar eclipse?
300
This planet has no moons, orbits the Sun in 88 days, and has no axial tilt.
What is Mercury?
300
This is what happens when the Moon blocks the light of the Sun from reaching Earth.
What is a solar eclipse?
300
This planet has a huge magnetosphere, dozens of moons, and a giant red spot.
What is Jupiter?
300
This is the region around a planet that protects the planet and planet's atmosphere from the solar wind and other particles.
What is the magnetosphere?
400
An eclipse of the moon can only happen during these two times of year.
What are Spring and Fall Equinoxes?
400
This planet is very hot, very bright, and spins in the "wrong" direction.
What is Venus?
400
Standard measurement of the average distance of Earth from the Sun, or 93,000,000 miles.
What is an Astronomical Unit (AU)?
400
This planet is a vivid, bright blue color, is very cold, and is the furthest from the sun.
What is Neptune?
400
This is the largest of Jupiter's moons, and the largest moon in the solar system.
What is Ganymede?
500
We always see the same face of the Moon from the Earth because of this.
What is tidal lock?
500
This planet is small and colored reddish by iron-oxide, or rust.
What is Mars?
500
The Sun is composed mostly of these two elements.
What are hydrogen and helium?
500
This atmospheres of the ice giants, unlike the other planets, contain this element.
What is methane?
500
These are special points held in place by gravity from the body they orbit and an object between them.
What are Lagrange Points?