I WONDER - How Old Is The Universe?

The video discusses the age of the universe, which is 13.7 billion years old, and compares it to the Earth's age of 4.5 billion years. It highlights the challenge of comprehending such vast time scales and explains that astronomers estimate the universe's age by studying its oldest stars and objects.

How old is the universe according to the video?

• 10 billion years

• 13.7 billion years

• 20 billion years

• 4.5 billion years

What is the approximate age of the Earth as mentioned in the video?

• 5.5 billion years

• 6.5 billion years

• 3.5 billion years

• 4.5 billion years

How many times older is the universe compared to the Earth?

• Four times as old

• Five times as old

• Three times as old

• Twice as old

What method do astronomers use to estimate the age of the universe?

• Studying the planets

• Observing the sun

• Analyzing the oldest stars and objects

• Measuring the speed of light

Why might it be difficult to comprehend the age of the universe?

• Because it is constantly changing

• Due to its vast size

• Because it is three times older than Earth

• Because it is invisible