What is the Universe? (Simple English)

The video tutorial explores the universe, explaining its vastness and components like planets, stars, and galaxies. It discusses the scale of the universe, from a classroom to the entire galaxy, and explains the concept of light years as a measure of distance. The video delves into the Big Bang theory, describing the universe's origins and its continuous expansion. It concludes by encouraging viewers to reflect on how scientists determine the universe's age.

How did the universe begin according to astronomers?

What is the Big Bang?

How do scientists estimate the age of the universe?