Moon Phases #rockinreview
Gibbous Moon: When the moon is over half illuminated, but not fully illuminated.
A lunar cycle is when all moons between new moon and old moon have gone by. Each lunar cycle is approximately 29.5
Earth's seasons and eclipses
Nicolai Copernicus radically changed our understanding of astronomy when he proposed that the sun, not Earth, was the center of the solar system.