How Many Stars Are There?

The video explores the vastness of the universe, starting with the stars visible to the naked eye, totaling 9,096. It highlights the Andromeda galaxy and the capabilities of the Hubble telescope, which reveals thousands of galaxies in seemingly empty space. The video discusses the scale of the universe, estimating 200 billion galaxies, and compares this to grains of sand. It concludes with a reflection on our perception of the sun's color, which is often misrepresented in media.

How many stars can be seen from Earth without a telescope?

• 100,000

• 1 million

• 1,000

• 9,096

What is the brightness of the sun on the astronomic scale?

• -27

• -13

• +1

• 0

What did the Hubble telescope discover in a seemingly empty corner of space?

• A new planet

• Thousands of galaxies

• A supernova

• A black hole

How many galaxies are estimated to be in the observable universe?

• 1 billion

• 1 trillion

• 200 billion

• 200 million

Why is the sun often tinted orange in media?

• To show its heat

• To make it look more familiar

• To represent its true color

• To enhance its brightness