L9 - Waxing vs Waning b. Crescent vs Gibbous c. Rise / Set...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
10/27/09 Review (Q+A After Class – Room 235) I. Basics / Celestial Sphere a. Astronomy vs astrology b. Galaxy vs Solar System c. Distance scales (Problem Set #1) d. Celestial Sphere, Equator, Poles e. Ecliptic f. Zenith, Meridian g. Right Ascension / Declination h. Nightly motion of sky (Rotate counter-clockwise) i. Seasonal change of constellations II. Seasons and Precession a. Due to Earth’s axis tilted at an angle towards the Sun (23°) b. Polar Day / Night c. 0° Tilt, 90° Tilt d. Precession – 26,000 years effect on seasons III. Lunar Phases a.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Waxing vs Waning b. Crescent vs Gibbous c. Rise / Set Times i. 12PM (Sun directly overhead) ii. 6PM (Sun setting) iii. 12AM (Sun below horizon) iv. 6AM (Sun rising) v. Find out when highest in sky rise = subtract 6 hrs / set = add 6 hrs IV. Eclipses a. Solar Moon between Sun and Earth i. Total ii. Partial iii. Annular b. Lunar Moon behind Earth i. Total ii. Partial iii. Penumbral c. Conditions for Eclipses i. Nodes line up with Sun and Earth ii. Full (Lunar) or New (Solar) Moon...
View Full Document

This note was uploaded on 02/17/2010 for the course PHY 115 taught by Professor Weinbeck during the Spring '09 term at BC.

Page1 / 2

L9 - Waxing vs Waning b. Crescent vs Gibbous c. Rise / Set...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online