Xiaoqi Yu
The shape of universe have been discussed by scientists, philosophers, writers and almost everyone. There were used to be lots of controversy over this problem; the universe seems like a enigma for us. Thanks to modern knowledge and technology, universe is no longer a scare or absolute enigma for people. By finding the shape of universe, we can predict the future of universe. Based on mathematical analysis and astronomic observation, now it is wildly accepted that the universe is flat.
To discuss the shape, we start with explore the expansion of universe: how it related to the shape? how will the universe expand in the future according to it's current shape? And, how will it end?
The Equation for Expanding Universe
Resources:
http://skyserver.sdss.org/dr1/en/astro/universe/universe.asp#properties
http://atramateria.com/the-shape-of-the-universe/
http://snap.lbl.gov/multimedia/presentations/DUII/img1.html
http://www.einsteins-theory-of-relativity-4engineers.com/friedmann-equation.html
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