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Big Bang Theory

To explain and connect the people and ideas involved in the Big Bang Theory.

Breanna Bradley

on 14 December 2010

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Transcript of Big Bang Theory

The Big Bang Theory Vesto Slipher Alexander Friedmann Fred Hoyle Albert Einstein Edwin Hubble Georges Lemaitre Born in 1875
Died in 1969
Discovered earliest evidence of expanding universe and redshift
Born in 1894
Died in 1966
Proposed the Big Bang Theory Born in 1889
Died in 1953
Further investigated Slipher's idea of redshift
Related it to the Doppler effect
Created Hubble's Law Not the show. But we will use the theme song to introduce this nicely... Born in 1888
Died in 1925
Developed an early Big Bang Theory and steady-state theory Born in 1879
Died in 1955
Provided mathematical equations and the theory of relativity which would evolve into the Big Bang Theory A theory that suggests the idea of the universe originally exlploding from one singularity, continuing to expand. Redshift
Doppler Effect Stellar Nucleosynthesis Cosmic Microwave Background Radiation Steady-state Theory Galactic Evolution Dark Matter Dark Energy Gravity An idea investigated by both Slipher and Hubble
Red waves, which have a long wavelength, move away from you
Proves recessional velocity, or the idea that the universe is expanding outward
A change in the frequency of sound or light
Causes redshift to be observable
Studied by Hubble Einstein's Biggest Mistake Einstein's theory of relativity proved the steady-state theory wrong;that the universe was actually moving, either expanding or contracting. Although it had some flaws, it eventually led to the Big Bang Theory. But he denied the theory he had discovered, and created a cosmological constant that canceled it. This action ended up being wrong and Einstein called it his biggest mistake. Born in 1915
Died in 2001
Rejected the Big Bang Theory
Contributed important research in both the steady-state theory and stellar nucleosynthesis Idea that the universe is static, or not moving
Supported by Hoyle
Process by which elements are created by nuclear fusion after an explosion
All elements conceived by Big Bang Was created 300,000 years after the Big Bang
Fills the universe
Helps determine the temperature of the universe at its origin
"Leftovers" of Big Bang Wait a second! Doesn't gravity pull everything towards each other? This means the universe should be slowing down. But it turns out the universe is actually accelerating, which contradicts the Big Bang Theory. Something must be causing this problem! *GASP!* Drumroll please..... Can't be seen
Accounts for "missing mass" of gravitational effects scientists can detect but can't explain
80% of matter in the universe and Theoretical energy that is causing the universe's expansion to increase in speed
73% of total mass-energy of universe All things in the universe are attracted to each other by the force of gravity. So thank gravity for your boyfriend! ;) The Big Bang is still hurdling the universe outward, but gravity keeps it in check, so we are moving at a much slower rate
Galaxies were formed after the Big Bang due to quantum fluctuations (temporary changes in the amount of energy in a point of space) Let's not get into this... Proposed by Isaac Newton! I am still. And to think all that started with one BIG BANG! THE END Works Cited Pictures

Conceptual Physical Science Explorations - P. Hewitt, J. Suchocki, L. Hewett (Mr. Jackson's notes)

http://www.youtube.com/watch?v=GFIvXVMbII0 By Breanna Bradley and Gabbie Burgess Everything created by the Big Bang! Just kidding!
Full transcript