Humans first walked on the Moon in 1969 during a brief burst of exploration.

The longer version

Lunar landings happened during a short period of intense rivalry between two space programs, when funding and public attention were at their peak. Twelve people walked on the surface across several missions, and the program ended while the hardware still existed. The first crewed landing came in July of that year.

Each landing required a descent stage to slow the craft, a powered ascent to rejoin the orbiting module, and careful navigation to a safe site. Samples brought back reshaped ideas about lunar origin, and retroreflectors left behind are still used to measure the distance to the Moon. Tracks and equipment left there remain undisturbed.

Where this entry sits

The night sky looks calm, yet almost everything up there is moving, burning, or slowly changing. These facts cover planets, stars, the Moon, gravity, black holes, comets, and the story of how people began exploring beyond Earth. The full list sits on the Space and Sky page, where every entry is listed in order.