It’s strange to think that a man who went to the moon and wants to colonize Mars could be delayed by some snow.

But Buzz Aldrin did get stuck in snow — or the traffic it caused, anyway — and was about 30 minutes late to his talk on “unified space vision” in the University of Colorado Boulder’s Macky Auditorium Tuesday evening. But the second person to step foot on the moon is allowed to be a little late, and the Apollo 11 mission footage set to dramatic music that was playing for the crowd was a reminder of that. It was about the best introduction anyone can get … not to mention a good way prepare the crowd for his proposal.

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