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Big Bang Occured
The current theory suggest that it occured 13.7 billion years ago. -
Period: to
The Big Bang
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The Special Theory of Relativity
No exact date. Albert Einstein suggested that space and time are not separate, but continual. -
Albert Einstein Adds to Theory of Relativity
Theory becomes a jumping off point for scientists in the 1970's. -
George Gamow Forms Current Therory
Expands on ideas form Russian Physistist, Aleksander Aleksandrovic (AKA Alexander Friedmann) to form more current, but not 100% the same theory. -
New evidence in the Big Bang Theory
No date. The Big Bang was originally thought to be an explostion, but is now thought to be an expansion. This means that everything is moving outwards. -
James Peebles proves the amount of helium in the Big Bang
No exact date. James Peebles shows that the hot Big Bang predicts the correct helium abundance -
Problem with the Big Bang
Robert Dicke finds the Big Bang flatness problem -
Problem with the Big Bang
Charles Misner finds the Big Bang horizon problem. -
Scientists Prove the Big Bang was not an Explosion, Rather an Expansion
In the early 70s scientists Steven Hawking, George Ellis and Roger Penros form the idea off of Einstein's Theory of Relativity -
Year Estimation
NASA's WMAP got an image of cosmic microwave background radiation which lead to the new estimated year the universe was created. It was 13.7 billion years old, with a one percent of error.