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Professor Dave Explains
Edwin Hubble, Doppler Shift, and the Expanding Universe
So we've made it all the way to the 20th century with the history of astronomy. Plenty had to happen to get us to that point, but the most amazing stuff is yet to come! Shortly after Einstein did his best work, a guy named Edwin Hubble...
Khan Academy
Hubble's Law, Scale of the Universe, Cosmology and Astronomy
Sal defines and explains the premise of Hubble's Law and then uses trigonometry to show the relationship between velocity and distance. He explains that as the universe expands, objects get farther away from each other; as objects move...
Crash Course
Crash Course Physics #46: Astrophysics and Cosmology
It's time for the end. At least the end of our first series on Physics here at Crash Course. In this video episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year,...
Khan Academy
Khan Academy: Big Bang and Expansion of the Universe: Hubble's Law
In this video lesson, Hubble's Law is explained. [11:12]