238K views · 10K reactions | Moon Phases  The Moon has 8 phases:  New Moon  Waxing Crescent  First Quarter  Waxing Gibbous  Full Moon  Waning Gibbous  Last Quarter  Waning Crescent  As the Moon orbits the Earth, the portion of the illuminated Moon that we see changes – giving rise to the phases of the Moon. Watch this video to get a visual explanation of how the Moon phases actually work. #moon #astronomy #space | Star Walk | Facebook

12K views | "An infinite, giant trampoline": Dr. Harrison H. Schmitt, who was on the last manned mission to the Moon, describes what it was like to walk on the lunar surface. https://nbcnews.to/2LIJxw2 #MakingOfAnAstronaut | NBC News Science | Facebook