Galaxies
Planets
Stars
Moons
100

What galaxy do we live in?

Milky Way

100

What is the smallest planet in the Solar System?

Mercury

100

Is the sun a star?

Yes

100

Who was the first person to land on the moon?


Neil Armstrong

200

How many stars are there in the galaxy?

100 thousand million

200

How many planets are in the Solar System?

8

200

What are stars mainly made of?

Hot gas

200

How far is the moon from Earth?

200,000 miles

300

How many galaxies are there?

One hundred billion

300

Which planets have no moons?

Mercury and Venus

300

What color of the star is the hottest?

Blue

300

What is the moon made of?

Oxygen, silicon, magnesium, iron, calcium, and aluminum

400

What is the shape of the Milky Way galaxy?

Spiral

400

Which planet in the solar system has the most gravity?

Jupiter 

400

What is the closest star to the sun?

Proxima Centauri

400

How often does the moon orbit Earth?

Every 28 days