moon phase waning gibbous 52 percent 5.24.19

angles anguisserpent antipodal apogee apollo aristarchus astronaut astronomical astronomy atmosphere black celestial circular cognitum constellations copernicus crater craters crescent degree disk earth eclipse exosphere flag gases gibbous heavenly hightide howl illuminated illumination landing light lit lowtide lunar man mare moon moonglow moonrise moonset new night nightsky orbital orbiter penumbral percent perigee phase phases planetarium quarters satellite sea sky solar spaceship sphere starrynight stars suns the umbra visible waning werewolf zodiac