1. Friday October 5, 2012 (Quiz 6; WS – Planetary Info Chart)

2. The Launch Pad Friday, 10/5/12 Explain why the rocky, terrestrial planets in our solar formed close to the Sun, while the gas giants formed farther from the Sun.

3. The Launch Pad Friday, 10/5/12 The planets were all formed from a rotating mass of gas, dust clouds (some of the heavier elements.) Closer to the sun, the temperatures were so high than only the heavier elements like iron nickel, and silicates could form solid grains. The hydrogen and helium gases and ices formed together in the outer Solar System where it was much cooler.

4. Can you identify the following? the constellation of Orion

5. the Orion Nebula Can you identify the following?

6. the Horsehead Nebula Can you identify the following?

7. the Eagle Nebula Can you identify the following?

8. Announcements

9. Assignment Currently Open Summative or Formative? Date IssuedDate Due Date Into GradeSpeed Final Day Quiz 4S49/21 10/5 Project – Stellar Modeling F89/2610/2 Quiz 5S59/28 10/12

10. Recent Events in Science 1st Year-Long Space Station Mission May Launch in 2015 http://www.space.com/17878-astronauts-year- mission-space-station.html Read All About It! The first 12-month mission to the International Space Station may launch in 2015, according to Russian media reports. Under the plan, two astronauts (one Russian and one American) would blast off in March 2015 on an experimental endurance mission that's twice as long as current space station stays.

11. Quiz 6

12. Planetary Info Chart MercuryVenusEarthMarsJupiterSaturnUranusNeptune Terrestrial or Gas Giant? # of Known Moons Distance from Sun Length of Day Length of Year Terr Gas Giant 01 0 632276213 0.3 AU0.7 AU1.7 AU1.0 AU30 AU5.0 AU19 AU9.0 AU 59 days 243 days 24 hours 10 hours 25 days 15 hours 10.5 hours 18 hours 88 days 225 days 687 days365.25 days 12 years 30 years 165 years 84 years