Materials Similar to Galileo Sunspots

• 54%: Solar Photon Random Walk
• 48%: Galileo's Moon Mountain
• 44%: Ptolemy Copernicus Tycho
• 43%: Spheres of Eudoxus
• 43%: Simple Fictitious Solar Systems
• 40%: Measurement of the Solar Rotation Rate with Tracker
• 38%: Stellar Parallax and Aberration Package