Space | Astronomy | Discovery on Instagram: "Orbiting the Moon aboard the Apollo 15 Command Module, the crew had a privileged view of the lunar surface, spending over six days mapping its mysteries. From this vantage, features like the colossal Apennine Mountains and the winding 1.5-kilometer-wide Hadley Rille were thrown into sharp relief by the low sun angle. ​The view captured the contrast between the dark, smooth mare and the rugged, ancient highlands, confirming the selection of the Hadley-