Unraveling The Mysteries Of The Universe

The video provides an overview of the universe, explaining its definition, composition, and origin. It discusses the universe's makeup, including normal matter, dark matter, and dark energy. The Big Bang Theory is introduced as the origin of the universe. The video also covers the universe's size, its continuous expansion, and the potential future scenario of the Big Crunch. Interesting facts about the Milky Way and other galaxies are shared, concluding with an invitation for viewers to engage further.

What is the origin of the word 'universe'?

• It is a modern English invention.

• It originates from a German word.

• It is derived from an old French word.

• It comes from an ancient Greek word.

What percentage of the universe is believed to be dark energy?

• 5%

• 27%

• 68%

• 100%

According to the Big Bang Theory, how old is the universe?

• 10 trillion years

• 100 million years

• 13.7 billion years

• 4.5 billion years

What is the estimated diameter of the observable universe?

• 7 trillion light years

• 93 billion light years

• 93 million light years

• 250 billion light years

Who discovered that the universe is expanding?

• Galileo Galilei

• Edwin Hubble

• Isaac Newton

• Albert Einstein

What is the phenomenon called when the universe expands?

• Big Crunch

• Cosmic Boom

• Inflation

• Big Bang

What might happen to the universe after it stops expanding?

• It will disappear.

• It will explode again.

• It will remain static.

• It will start collapsing in on itself.

Approximately how many stars does the Milky Way contain?

• 100 billion

• 1 trillion

• 100 million

• 1 million

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

• 10 billion

• 1 billion

• 1 trillion

• 100 billion

As of March 21, 2022, how many exoplanets have been confirmed?

• 500,000

• 5,000

• 50,000

• 500