Wednesday, September 4, 2013
Announcements: Remember that from today on I will keep track of attendance (bring your IDs!), and give credit for Top Hat questions (enter your student ID).
Observation: We should be able to see Saturn today!
Today's Topics:
(What I was planning to cover last time...)
Motion of the Moon, in the Sky and in Space
• The Moon's phases; new, crescent, half, gibbous, full.
• Reason; Are we seeing the Earth's shadow? (Q)
• Relationship between phases and the time of day. (Q)
• Orbit: Near side, period (27.3 or 29.5 days?), distance.
• What are lunar eclipses and solar eclipses? Types.
• In what phase must the Moon be? (Q) Predictions?
Assignment: Go over today's class summary. Suggested reading: Phases of the Moon in Chapter 2, and lecture notes.
Spaceweather; APOD; Heavens-Above; Clear Sky Clock; Space Calendar; Sky & Telescope Sky at a Glance
