These are known as the terrestrial planets
What are Mercury, Venus, Earth, and Mars?
This is the hottest planet in the solar system.
This moon has an icy outer layer and a liquid ocean underneath
What is Enceladus?
These are rocky objects between Mars and Jupiter
What are asteroids?
Planets orbit the sun in this shape
What is an ellipse?
These are known as the outer planets.
What are Jupiter, Saturn, Uranus, and Neptune?
This is the largest planet in the solar system.
What is Jupiter?
This moon is the largest in the solar system
What is Ganymede?
These are icy objects past Neptune
What are comets?
Who is Copernicus?
These are known as the inferior planets
What is Mercury and Venus?
This is the fastest planet in the solar system.
What is Mercury?
This moon is covered in liquid methane
These are the places where you can find comets
What is the Oort Cloud and the Kuiper Belt?
This astronomer's observations of Venus and Jupiter helped support the heliocentric model.
Who is Galileo?
All of the inner planets have this in them
What is an iron core?
This is the coldest planet in the solar system
The two moons of Mars are named after these gods.
What are Phobos and Deimos?
These are tiny objects flying through space
What are meteroids?
This astronomer came up with three laws of planetary motion.
Who is Johannes Kepler?
All of the outer planets have this in common.
What is they are made up of gas and they all have many moons and rings?
Jupiter is this many times larger than the rest of the planets combined.
What is 2.5 times?
There are no moons orbiting here
What are Venus and Mercury?
If a tiny object hits the Earth, it is known as this.
What is a meteorite?
This astronomer proposed that planets moved on little circles on bigger circles called epicycles
Who is Ptolemy?