Eclipses
- Lunar -- Moon passes through Earth’s shadow 3-11
- Only darkest parth (umbra) gives noticeable total eclipse (demo)
- Next one 20 Jan. 2000 midnight at Rochester
- perfect, full moon near Zenith
- Lunar eclipses can be seen by half the world
- much easier to experience than solar eclipse
- Solar eclipse on Moon much different than on Earth
- Whole hemisphere sees
- Sun blocked ~ 1 h vs a few min. on Earth
Phase of Moon
- for Solar eclipse -- new
- for Lunar eclipse -- full (demo t. ball)