Was Ptolemy Pstupid?
Does this guy look Pstupid?
Ancient Astronomical Sites
. . . and this modern version
"Manhattanhenge"
The Sun Dagger from the Original Cosmos
The Celestial Sphere
Mars in a Retrograde Loop
. . . or
a sequence of actual photos
Aristotle's Model
Ptolemy's Epicyle
Ptolemy's Epicycle and retrograde motion
(load Epicycles.swf)
Ptolemaic Model
Nicolas Copernicus and His Model
The Copernican System in motion
Retrograde motion in Heliocentric System
A simulation of retrograde motion in a heliocentric system
(load MarsRetrograde.swf)
Hamlet's Universe, Peter Usher, 2006.
. . .
A summary of Usher's interpretation
Galileo and his Telescope.
Phases of Venus Through a Telescope
Phases of Venus in a Geocentric Model
Phases of Venus in a Heliocentric Model
(load PhasesOfVenus.swf)
Jupiter's Moons as seen by Galileo
Galileo's Daughter by Dava Sobel and Galileo, a Battle for the Heavens by NOVA
A scene from NOVA's "Galileo, a Battle for the Heavens"
(based on the book
Galileo's Daughter
by Dava Sobel).
You can watch the
entire video
on Youtube - I highly recommend it.
