The number of planets in the solar system.
What is 8?
There are around this many stars in the Milky Way.
What is 10 billion?
The Sun is this type of object.
What is a star?
This is the number of moons Earth has.
What is 1?
This planet is known for its rings.
What is Saturn?
Earth is located in this galaxy.
What is the Milky Way?
Stars are made of this.
What is gas?
This is the percentage of water on Earth.
What is 70%?
This is the planet closest to the Sun.
What is Mercury?
This object is so massive that not even light can escape it.
What is a black hole?
This is how most stars die.
What is a huge explosion (supernova)?
This is around the number of satellites orbiting Earth.
What is 6000-7000?
Pluto is an example of this.
What is a Dwarf Planet?
The universe began with this explosion.
What is the Big Bang?
This is the difference between stars and planets.
What is producing their own light?
This is the age of the Earth.
What is 4 billion years?