This clip explores the leading theory about the origins of the universe, the Big Bang theory. It shares evidence for this theory, notes that the universe is exponentially growing larger, and describes the Big Bang theory in detail.

Yakko gives an overview of the universe by describing the celestial objects (stars, galaxies, planets, moons, asteroids, and comets) that exist in the universe and putting into perspective the human race's significance. The song is accompanied by excellent illustrations.

Neil deGrasse Tyson talks about the scale of the universe and shows us how big the whole universe is. He describes it in such a way that we can see the true scale of the universe.

This clip explores the origins of the universe and describes the leading theory, the Big Bang, with supporting visuals.

Illustrates the journey of radio waves traveling through the universe. As the waves continue their journey deeper into space, the soundtrack gets older and quieter. Along the journey, the waves pass by celestial objects such as planets, stars, and nebulae.