1. Friday September 7, 2012 (Quiz 2; Videos HTUW: The Big Bang, Parts 4 & 5)

2. The Launch Pad Friday, 9/7/12 What can travel faster than the speed of light? nothing (meaning empty space)

3. Announcements Have a great weekend!

4. Assignment Currently Open Summative or Formative? Date IssuedDate Due Date Into GradeSpeed Final Day ESS Class Information Sheet F18/278/28 ESS Class Procedures and Expectations F28/278/29 Quiz 1S18/31 9/14 Lab - Hubble’s Law - the Expanding Universe F39/49/6

5. ?? Recent Events in Science Seeing the Birth of the Universe in an Atom of Hydrogen: Radio Waves Used to Uncover Oldest Galaxies Yet Windows to the past, stars can unveil the history of our universe, currently estimated to be 14 billion years old. The farther away the star, the older it is -- and the oldest stars are the most difficult to detect. Current telescopes can only see galaxies about 700 million years old, and only when the galaxy is unusually large or as the result of a big event like a stellar explosion. http://www.sciencedaily.com/releases/2012/ 09/120905141914.htm Read all about it!

6. Quiz 2

7. How the Universe Works: The Big Bang Part 4 Faster Than the Speed of Light Video

8. How the Universe Works: The Big Bang Part 5 Energy Converts to Matter Video