Points of divergence concerning alternate astronomical/celestial arrangements, or alternate developments of astronomy as a science.
Our binary solar system
WI the Sun had a companion star with a habitable planet ?
Effects of an alien-enclosed sun ?
WI Venus where it is were habitable
Venus replaced by duplicate Earth
WI the Earth had a ring ?
WI 90 degree flipped Earth ?
WI spring marked the new year
WI the impact that caused the Moon to begin orbiting the Earth, had happened directly head-on ?
The Moon and Mars swap places
WI Titan escaped Saturn and entered the inner solar system ?
Challenge: Sidereal Calendar is the accepted norm
WI Galileo discovers Neptune ?
WI: 1000 ton additional natural satellite of Earth since 1913
Know of any PODs or POD discussions ? Feel free to add them.
Points of Divergence : Scientific Discoveries and Inventions
Points of Divergence : Natural Disasters
Exotic PODs Main Directory
Points of Divergence Main Directory