Buzz Aldrin talks about 'UFO' Encounter en route to the Moon

Even 45 years later, Buzz Aldrin has detailed memories of the Apollo 11 mission, when he became the second man to set foot on the moon.

Dishing about the moment he saw an "unidentified" object floating outside his Apollo capsule, Aldrin wrote:

“On Apollo 11 en route to the Moon, I observed a light out the window that appeared to be moving alongside us. There were many explanations of what that could be, other than another spacecraft from another country or another world -- it was either the rocket we had separated from, or the 4 panels that moved away when we extracted the lander from the rocket and we were nose to nose with the two spacecraft. So in the close vicinity, moving away, were 4 panels. And I feel absolutely convinced that we were looking at the sun reflected off of one of these panels. Which one? I don't know. So technically, the definition could be "unidentified."

The ex-astronaut, who is speaking out this month ahead of the 45th anniversary of the 1969 moon landing, discussed the mission, in a Reddit-AMA on Tuesday. Read more