I WONDER - How Many Stars Are There In The Universe?

The video explores the vast number of stars in the universe, comparing them to grains of sand on Earth. It explains that there are over 200 billion trillion stars, a number written as two followed by 23 zeros. Despite this, only about 5,000 stars are visible from Earth. The video also highlights that some of the stars we see are from thousands or even millions of years ago, due to the time it takes for their light to reach us.

How many stars are estimated to be in the universe?

• 200 billion

• 200 million

• 200 trillion

• 200 billion trillion

How is the number 200 billion trillion written numerically?

• 2 followed by 30 zeros

• 2 followed by 20 zeros

• 2 followed by 23 zeros

• 2 followed by 25 zeros

Approximately how many stars can we see from Earth?

• 1,000

• 5,000

• 10,000

• 50,000

Why is it challenging to imagine the number of stars in the universe?

• Because they are all the same size

• Because they are too far away

• Because we can only see a small fraction of them

• Because they are all moving

What is unique about some of the stars we see in the night sky?

• They are all the same age

• They are all part of the Milky Way

• They are from the future

• They are from thousands or millions of years ago