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Will the Universe expand forever?

Will the universe go on expanding forever and what is the shape of the universe? Read how we are trying to find the answers to these questions.

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Hits: 146

http://map.gsfc.nasa.gov/universe/uni_shape.html

Expanding Universe

An animation of the movement of galaxies as the universe expands.

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Hits: 1086

http://www.7stones.com/Homepage/Publisher/GR.html

Cosmology FAQ

A long lisit of cosmology questions, dealing with subjects such as the Big Bang, dark matter, black holes, the expanding universe.

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Hits: 1627

http://www.astro.ucla.edu/~wright/cosmology_faq.html
hyperphysics

Friedmann Equation

Alexander Friedmann of Russia is credited with developing a dynamic equation for the expanding universe in the 1910s.

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Hits: 1448

http://hyperphysics.phy-astr.gsu.edu/hbase/astro/fried.html#c1
hyperphysics

Cosmological Constant

Einstein proposed a modification of the Friedmann equation which models the expanding universe. He added a term which he called the cosmological constant.

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Hits: 1334

http://hyperphysics.phy-astr.gsu.edu/hbase/astro/fried.html#c3

Packing Universes In Spacetime

Every lightcone contains infinitely many nearly complete, mutually exclusive, lightcones. This page looks at the maths of this, and its use as a cosmological model.

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Hits: 1183

http://mathpages.com/rr/s7-05/7-05.htm

The Universe Adventure

This fantastic site deals with cosmology : the study of the structure, history, and fate of the Universe. It's the place to go whether you want to know more about dark matter, how our universe formed ...

Keywords

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Hits: 4165

http://www.universeadventure.org/fundamentals/cosmol-beginning.htm

Anatomy of a refrigerator

Find out how a fridge works by compressing and expanding a coolant in this interactive.

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Hits: 1046

http://www.pbs.org/wgbh/nova/zero/refrigerator.html

Stephen Hawking's Universe

Stephen Hawking's Universe: explains some of the most important ideas and developments in human understanding of the universe. The Web pages include original essays in cosmology, original ...

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Hits: 1672

http://www.pbs.org/wnet/hawking/html/home.html

How Big is the Universe

A simple article from NASA which tries to show how big the Universe is and how long it would take to travel between stars!

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Hits: 1448

http://www.nasa.gov/audience/foreducators/5-8/features/F_How_Big_is_Our_Universe.html
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