Today in 1969, Neil Armstrong and Buzz Aldrin walked on the moon while Michael Collins watched from orbit. Words can't describe the trip the astronauts -- and the nation -- took that day.
All Images: NASA.
We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.
Alexis C. Madrigal is a staff writer at The Atlantic. He's the author of Powering the Dream: The History and Promise of Green Technology.