People ask why this #Apollo11 photo Neil took of me is so iconic. I have 3 words to describe it: Location, location, location. #Apollo45
#TBT My Gemini 12 spacewalk. Five and half hours of floating weightless at 17,000 mph circling the globe every 90 mins
Judy & I went to @ExplorersClub Annual Dinner in NY honoring @neiltyson. Cockroach hors d'oeuvres were served. Yuck!
#DidYouKnow that moon rocks have their own bodyguards? Stuart is guarding the UK's Apollo 17 moon rock @BBCStargazing
@JodrellBank I wonder if I should use this to amplify my message to the cosmos. Hmm... #GYATM
I'm ready for my chat with @ProfBrianCox & @DaraObriain on @BBCStargazing tonight. I wonder if they'd let me take this globe home.
Another enjoyable Q&A this time w/my son Andy at the @CambridgeUnion sharing stories of the moon & my vision at Mars.
Happy Pi Day (3.14.15) and also Happy Birthday to @AlbertEinstein. A special day for science.
I had a very enjoyable Q&A event at the @OxfordUnion last night addressing bright minds & Rhodes scholars. Now we're off to @CambridgeUnion.
See All Buzz Aldrin