"...I love the planets in their course to trace;
To mark the comets speeding to the Sun,
Then launch into immeasurable space,
Where, lost to human sight, remote they run...
O! these are wonders of th' Almighty hand,
Whose wisdom first the circling orbits plann'd."
--Thomas Rodd, "Sonnet XXXV: Contemplation of the Heavens,"
Sonnets, Amatory, Descriptive, and Religious; Odes, Songs, and Ballads,
Compton (1814), p. 35.
Quiz 2 question packet (*.pdf)
Ch. 2-3b: "Planet-Hunting" (p. 19) [00:05]
Jupiter and Saturn Pas de Deux (*.html)
Retrograde Mars (*.html)
Venus' Evening Loop (*.html)
(NASA Astronomy Picture of the Day)
Ex: Mars and Jupiter as morning stars? (*.blog)
Ex: evening star Venus? (*.blog)
Ex: Venus and Mars as morning stars (*.blog)
In-class activity 6 (*.pdf) [00:20]
Find and sit in your assigned groups
Cooperate and collaborate within your group
Share answers within and between groups
Turn in group worksheet at front
Chs. 3-1, 3-2: Geocentric vs. Heliocentric Models [00:20]
Epicycle demonstrator (*.js), (*.gif)
(Syracuse University, 6, 1, 1/10)
Teacup epicycle (*.blog)
(K Street Mall, Sacramento, CA)
Retrograde demonstrator (*.swf), (*.gif)
Chs. 3-1, 3-2, 3-3, 3-4, 3-5: The Astronomers (*.blog) [00:20]
Movers, disprovers, scientists, or non-scientists?