Galaxies
Planets
Stars
Moons
10

What galaxy do we live in?

Milky Way

10

What is the smallest planet in the Solar System?

Mercury

10

Is the sun a star?

Yes

10

Who was the first person to land on the moon?


Neil Armstrong

20

How many stars are there in the galaxy?

100 thousand million

20

How many planets are in the Solar System?

8

20

What are stars mainly made of?

Hot gas

20

How far is the moon from Earth?

200,000 miles

30

How many galaxies are there?

One hundred billion

30

Which planets have no moons?

Mercury and Venus

30

What color of the star is the hottest?

Blue

30

What is the moon made of?

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

50

What is the shape of the Milky Way galaxy?

Spiral

50

Which planet in the solar system has the most gravity?

Jupiter 

50

What is the closest star to the sun?

Proxima Centauri

50

How often does the moon orbit Earth?

Every 28 days