Jim Sullivan.  Scientist: Dr. Chris Jillings, SNOLAB.

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Presentation transcript:

Jim Sullivan

 Scientist: Dr. Chris Jillings, SNOLAB

 Starting point is beginning of the universe  Two scientific theories: Steady State and Big Bang ◦ Evidence points to Big Bang  Big Bang Theory - When universe started, there was no space and maybe no time  And then something amazing happened  Story starts a long time ago but not so far away…

Form Galaxies

Formation of the Solar System

 Singularity  Inflation ( s, )  Expansion and cooling  Form protons and neutrons (E=mc 2 ) (10 -6 to 1 s)  Form electrons (10 s)  Photons caught in plasma (1 s to 380,000 y)  Hydrogen / helium / lithium atoms form  Dark age, photons released (380,000 to 350 M y)  First generation stars  Galaxies and clusters  Second generation stars, planets, us

 Big Bang Theory  Dark Matter and Dark Energy  Detecting Dark Matter  Radiation  SNO and SNOLAB  Prototype Detector  Pulse Shape Discrimination  Data and Homework  Summary

 …Dark Matter and Dark Energy