The Big Bang Theory

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The Big Bang Theory

• Do you believe???!!!

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So how did they come up with this?

• Ok, how do most things in our known universe
  begin?
• Examples Humans, Cars, Trees, Planets, etc.
• Here is a hint

http//science.nasa.gov/headlines/images/lurking/p
lanetesimals_med.jpg
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How did it begin?

• The Sphere
• Infinitely small, dense, hot object
• Contained everything in the entire universe
• Explodes due to instability
• H-BOMB

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The Timeline

• Check This Out!
• Fill out your timeline according the timeline on
  PBS

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Evidence

• Expansion of the Universe
• 1929, Edwin Hubble discovered REDSHIFT in far
  galaxies
• Doppler Effect change in frequency of sound or
  light due to the motion of the object or observer
• CLICK HERE

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Evidence

• 2. Quasars
• Quasi Stellar Radio Sources
• Possibly ejecta from an active galaxy
• 12 billion light years away
• Determined age of the universe
• 12 BYO 3 to 8 billion years to make 15 to 20
  BYO Universe ??????? ? ?

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Evidence

• 3. Cosmic Microwave Background Radiation (CMBR)
• Discovered by Arno Penzias and Robert Wilson in
  1964
• It is the radiation emitted by the Big Bang
• Further study by COBE (Cosmic Background Explorer)