But first, let's test and see what you already know.

#1. What will happen to earth four billion years from now?

A) Earth will still be functioning just like it is today.

B) Mostly everyone will be dead and earth will be an unlivable planet because we'd be extremely close to the sun.

C) Earth will be gone.

#2. How many planets are in the Solar System, and name them?

#3. How many stars are in the Solar System?

A) 1 Billion

B) 15 Billion

C) 90 Billion

D) 100 Billion

E) 150 Billion

F) 200 Billion

G) 201+ Billion

#4. How many Moons are there in our solar system?

A) 1

B) 59

C) 101

D) 173

E) 177+

#5. What is the biggest planet in the Solar System?

A) Saturn

B) Venus

C) Jupiter

D) Mars

#6. What is our " second earth" predicted to be?

A) Mars

B) Mercury

C) 55 Cancri e

D) Jupiter

E) Saturn

#7 How many miles is the Earth to the Sun?

A) 50

B) 1,000,000

C) 170,379,252

D) 92,960,000

#8. That is the sagittarius constellation?

A) a few planets that you could see from Earth

B) a group of specific stars that comes together and make a shape

C) A group of meteorites that you could see from earth

D) When you could see two moons including Titan and moon from Earth

#9. What is ♐ symbol stand for

A) sagittarius constellation

B) Venus

C) 55 Cancri e