Galaxies
Planets
Our Solar System
Stars
The Universe
100

What Galaxy do we live in?

the Milky Way

100

How many planets are in our Solar System? 

 

9

100

How many Rock planets in our Solar System?

5

100

What is our star?

the Sun

100

What theory do scientists have about how the universe was created?

the Big Bang Theory

200

How old is our galaxy?

14 billion years

200

Which planet is the largest? 

 

Jupiter

200

What belt is between Mars and Jupiter?

the Asteroid Belt

200

What is the size of a neutron star?

the size of a city

200

What happens when two black holes collide?

They merge
300

What is at the center of our galaxy?

a supermassive black hole

300

What makes dwarf planets different? 

 

A lack of gravitational force

300

What is the coldest planet in our Solar System?

Uranus

300

What star is closest to the sun?

Proxima Centauri

300

What is the size of the observable universe?

93 billion light years

400

What galaxy is our galaxy to collide with?

Andromeda

400

Which planet has the most moons?

Saturn

400

What belt encircles Pluto?

the Kuiper Belt

400

What happens when a star explodes?

a supernova

400

What form in our universe has the most mass?

a black hole

500

How long would it take for our galaxy to collide with another?

5 billion years

500

What planet has the smallest gravitational force?

Pluto

500

What cloud encircles the Kuiper Belt?

the Oort Cloud

500

What happens when stars run out of fuel?

They become neutron stars

500

What supercluster is our galaxy apart of?

the Virgo Supercluster

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