obviously those are really important but then there's also the audio. 11,000 hours of audio from these moments that really do offer new perspective on what the crew and mission control were experiencing in realtime. let's listen. >> how far am my feet -- >> you're right at the edge of the porch. >> i want to back up and partially close the hatch. making sure not to lock it on my way out. >> good thought. >> it's our home for the next couple hours. we want to take good care of it. >> you have three more steps and then a long one. >> beautiful. beautiful. >> magnificent sight. >> magnificent. >> todd, what did you learn about this mission you didn't already snow? >> a ton of stuff. you know, everyone on the team,