Waning Gibbous Moon Phase Explained | Lunar Cycle Guide #71698 (License: Personal Use)

This grayscale illustration depicts the waning gibbous phase, where the Moon is more than 50% illuminated but decreasing nightly, occurring roughly 4-7 days after full moon. Surface features like maria and craters remain visible on the lit portion, while the terminator casts dramatic shadows. The image emphasizes the gradual shrinking of illumination from right to left (in Northern Hemisphere view).

Used in astronomy education, lunar calendars, astrology guides, and science blogs to explain moon phases; targets users seeking observational tips or celestial event timing.