Mankind's Explanations:

Original Version for Printing

• Aurora Borealis
• The Big Bang
• Black Holes
• Comets and the Oort Cloud
• Eta Carinae
• Gravity
• Hour Glass Nebula MyCn 18
• Interstellar Travel
• Jupiter's Red Spot
• The Moon's Capture
• The Moon's Rotation
• Parallel Universes
• Planetary Formation
• Quasars
• Saturn's Rings
• Solar Neutrinos
• Sun Spots
• Worm Holes
• 12th Planet

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