This is the number of continents on Earth.
What is 7?
This is the closest star to us.
What is the Sun?
The number of planets in the Solar System.
What is 8?
Earth has this many moons.
What is 1?
Stars are made of this.
What is hot gas?
This planet is known for its many rings.
What is Saturn?
Giant tortoises enhabit these islands.
What are the Galapagos Islands?
These are the shapes that stars make in the sky.
What are constellations?
This object was considered a planet, but is not any more.
What is Pluto?
The Earth has existed for around this many years.
What is 4.5 billion years?
These objects are so massive that even light cannot escape their gravity.
What are black holes?
This is the largest planet in the Solar System.
What is Jupiter?
Earth takes this long to orbit the Sun.
What is 365 days?
This is how most stars die.
What is a supernova (giant explosion)?
This is the planet humans will travel to first.
What is Mars?