Antes del universo: el misterio del origen

The video explains the Big Bang theory, which posits that the universe began with a massive explosion from a hot, dense point. It describes the formation of matter, atoms, stars, and galaxies over billions of years. The Milky Way formed about 1 billion years after the Big Bang, and Earth formed 8 billion years later. The universe continues to expand, but the cause of the Big Bang remains a mystery.

What does the Big Bang theory propose about the beginning of the universe?

• The universe started as a cold and empty space.

• The universe was created by a divine being.

• The universe began with a massive explosion.

• The universe was always in existence.

What happened to the universe in less than a second after the Big Bang?

• It became colder and formed the first particles of matter.

• It collapsed back into a single point.

• It stopped expanding and remained static.

• It became hotter and denser.

How long after the Big Bang did atoms begin to form?

• 1 million years

• 1 billion years

• 380,000 years

• 10,000 years

What did the clouds of dust and gas eventually become?

• Stars and galaxies

• Black holes

• Comets

• Planets

How many years after the Big Bang did Earth form?

• 1 billion years

• 5 billion years

• 13.8 billion years

• 8 billion years