The Solar System Quiz

What is a galaxy?

• a group of planets

• a group of stars

• a group of satellites

What is the name of our galaxy?

• the Sunny Way

• the Starry Way

• the Milky Way

How many galaxies are there in the universe?

• millions

• thousands

• hundreds

How many stars are there in our galaxy?

• about 100 trillion

• about 100 million

• about 100 billion

What is the Sun?

• a planet

• a star

• a galaxy

What is in the center of our Solar System?

• the Sun

• the Earth

• the Moon

How hot is it in the center of the Sun?

• 5 500 °C

• 100 billion °C

• 15 million °C

What's the temperature on the surface of the Sun?

• about 550 °C

• about 5 500 °C

• about 15 million °C

How many planets are there in our Solar System?

• 7

• 8

• 9

What is the Moon?

• a planet

• a star

• a satellite