Planets and Orreries


A lesson developed with partial support of NSF Grant # DUE9554744.

Dr. Dan R. Overcash, South Carolina State University, Orangeburg, SC 29117

Prof. Cynthia W. Peterson, University of Connecticut, Storrs, CT 06269


When you see the following icons,

click for hint or click for answer



I. Planetary Configurations









II. Planetary Phases









III. Tycho Brahe's Orrery