Earth
stars
planets
Moons
100

How old is earth?

4.543 billion years old

100
What is the life spand of a star?

10 billion years

100

How many gas giants are in our solar system?

4
100

How many moons does earth have?

1

200

How much of the ocean was discovered?

5%

200

What is a group of stars called?

A constellation 

200

True or False,Can gas giants host life?

False

200

What planet has 0 moons

Mercury 

300

What sea is the hottest?

The read sea

300

What two things make up a star?

hydrogen and helium gas

300

What planet was a failed star?

Saturn

300

How many known moons does jupiter have?

95

400

What ocean is the coldest?


The Arctic Ocean

400

What color are the hottest stars?

Blue or white

400

What is the hottest planet?

Venus

400

What is the name of Saturns largest moon

Titan

500

How long does it take for earth to orbit the sun?

1 year

500

What is the closest star to earth?

Proxima Centauri

500

What is another name for gas giants?

Jovian planets

500

What are the names of Mars two moons?

Phobos and Deimos