Lesson 2: Videos

Video Physical Science presents- Evidence for the Big Bang Theory

Discover what evidence exists to support the Big Bang theory of the birth of the universe.

Learn how cosmic background radiation, the red shift of light and the ongoing expansion of the

universe led scientists to believe that the universe was started with the Big Bang.

Fraser Cain presents, "What is the Evidence for the Big Bang?"

Almost all astronomers agree on the theory of the Big Bang, that the entire Universe

is spreading apart, with distant galaxies speeding away from us in all directions.

Genius by Stephen Hawking

The Sound at the Start of the Universe,

the Singularity, and the Doppler Effect

Click on the image- it will take you to an external link

PHD Comics presents: What are gravitational waves?

Have Gravitational Waves finally been detected by LIGO? Physicists Umberto

Cannella and Daniel Whiteson explain what they are and why they'll cause

a big ripple in our understanding of the Universe.

Scientific American Space Lab Presents: 5 Facts About Gravitational Waves

On March 17th, physicists with the BICEP2 experiment announced they had detected

the remnant of gravity waves in the cosmic microwave background, the light left

over from the big bang.