I WONDER - How Many Stars Are In Galaxy?

The video explores the concept of galaxies, highlighting that stars are part of galaxies and there are billions of galaxies in the universe. It explains that a galaxy is a collection of stars, gas, dust, and dark matter held together by gravity. The Milky Way galaxy, where Earth is located, contains about 100 billion stars.

What is the relationship between stars and galaxies?

• Stars are smaller than galaxies and are part of them.

• Galaxies are smaller than stars and are part of them.

• Stars and galaxies are the same size.

• Stars are not related to galaxies.

Which of the following is NOT a component of a galaxy?

• Dark matter

• Water

• Gas

• Stars

What force holds a galaxy together?

• Gravity

• Electricity

• Magnetism

• Nuclear force

Where is the Earth located?

• In the Andromeda galaxy

• In the Milky Way galaxy

• In the Triangulum galaxy

• In the Whirlpool galaxy

Approximately how many stars are in the Milky Way galaxy?

• 1 trillion

• 100 billion

• 100 million

• 10 million