Thurs., Nov. 29, 2012

Objectives:  Describe how the visible spectrum fits into the rest of the EM spectrum including how to distinguish one color from the next.

Announcements: All late work is due now

Do you have your cereal box?
Opening Data: Electromagnetic Spectrum



 




Remember those other questions?
(these should be in your notes...)
  1. Describe the idea of the celestial sphere.
  2. What units is declination measured in?
  3. What are the units used to measure right ascension?
  4. Compare rt. ascension & declination to latitude and longitude on the earth.
  5. What is our latitude and longitude here in the classroom?
  6. What are lat. and long. measured in?
  7. Where on the Earth are latitude and longitude measured from (where's the "origin")?
  8. What's the 0,0 of  rt. asc. & decl. called?
  9. Where is that located in the sky (which constellation)?
  10. When (on the calendar) is the Earth closest to the sun?
  11. What celestial event is closest to perihelion?
  12. Describe where the sun is during the vernal equinox.
  13. What day (typically) is the autumnal equinox?
  14. What happens during an equinox?
  15. What is the longest day of the year in the southern hemisphere?

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