Harvard University
Royal Astronomical Society: Steady State Theory of an Expanding Universe
In-depth research about the steady-state theory of the expanding universe found within a bibliographic database of astronomical literature. Learn about the theory that asserts that new matter is continuously created as the universe expands.
TED Talks
Ted: Ted Ed: What Is the Universe Expanding Into?
Sajan Saini explains the existing theories around the Big Bang and what, if anything, lies beyond our universe.
TED Talks
Ted: Ted Ed: Three Ways the Universe Could End
Do we know how our universe is going to end? Venus Keus explores cosmologists' three possible scenarios.
Khan Academy
Khan Academy: Edwin Hubble
An article about the life of Edwin Hubble. Learn about how he grew up, education, and how he developed his theories of an expanding universe.
American Museum of Natural History
American Museum of Natural History: Profile: Georges Lemaitre
Find out about the life and work of the father of the Big Bang theory, Georges Lemaitre. This article describes the origin of the cosmology theory and its growing acceptance among scientists. This is an excerpt from COSMIC HORIZONS:...