Apollo 11 was the historic spaceflight mission led by NASA, which successfully landed the first humans on the Moon.

The Apollo Lunar Module (LM), also known as the Lunar Excursion Module (LEM), was a two-part spacecraft used by NASA in the Apollo program to carry astronauts from lunar orbit to the surface of the Moon and back.

Buzz Aldrin is an American retired astronaut and engineer who gained worldwide fame as the lunar module pilot of Apollo 11, the first crewed mission to land on the Moon.

A lunar module is a lunar lander designed to allow astronauts to travel between a spacecraft in lunar orbit and the lunar surface.

The Moon is Earth's only natural satellite and is the fifth-largest satellite in the Solar System.

The Wikipedia page "Moon landing" discusses the historic event of humans landing on the Moon.

NASA (National Aeronautics and Space Administration) is an independent agency of the United States federal government responsible for the country's civilian space program and for aeronautics and aerospace research.

Neil Armstrong (1930-2012) was an American astronaut, test pilot, and naval aviator who became the first person to set foot on the Moon.