Special Hour: 50th Anniversary Of The Moon Landing

On July 20th, 1969, the world watched as American astronauts Neil Armstrong and Buzz Aldrin became the first humans to land on the moon.

We explore the lasting legacy of the Apollo program and how it still affects space exploration today, 50 years later.

Dava Newman, Apollo professor of aeronautics and astronautics at MIT and former deputy administrator of NASA. She tweets @DavaExplorer.

J. Kelly Beatty, space reporter and senior contributing editor of Sky & Telescope magazine. He tweets @nightskyguy.

Don Eyles, software engineer who wrote code for the Apollo Lunar Module landing program.

Sunita Williams, astronaut and former commander of the international space station. She tweets @Astro_Suni.

Marcia Bartusiak, professor of the practice of the graduate program in Science Writing at MIT. She tweets @CosmosGal.

Alan Campbell, space systems program manager for Draper Labs.