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Recommended for: Grades 6-12

Resource: History of the Universe

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Media Type:
Shockwave Interactive

Length:
Size: 547.6 KB

This interactive timeline from the NOVA Web site recaps what has happened since the theorized "Big Bang", including the birth of the earliest galaxies and of our own Sun, and it forecasts future events, from the merger of the Milky Way and Andromeda galaxies to the death of the universe.

Supplemental Media Available:

History of the Universe (HTML Interactive)

Teachers' Domain, History of the Universe, published January 29, 2004, retrieved on ,
http://www.teachersdomain.org/resource/phy03.sci.phys.fund.unihist/

The current consensus among scientists is that there was a "Big Bang" at the very beginning of the universe, an initial explosion that generated time, space, and all the matter and energy that exists. In the immediate aftermath of this event, fundamental forces such as gravity emerged, and then fundamental particles. Ever since this time, believed to be at least 15 billion years ago, the universe has been expanding -- more slowly at times, faster at others. Scientific observations suggest that this expansion might ultimately either drive our Milky Way galaxy to merge with a neighboring galaxy, Andromeda, or cause the two to rip each other apart. Although this is bad news for our galaxy, expansion won't stop there. The final timeline entry describes the expected scene trillions of trillions of years in the future, when universal energy will finally have been expended, and the universe will end.