Neil and Buzz landed on the Moon on this day. It’s now been over half a century since the last man kicked up the regolith there. I’ll be on The Space Show this evening (1900 PDT) to talk about it, and space in general.

[Late-morning update]

Anniversary thoughts from Rick Tumlinson. He worries too much about the “climate crisis,” though. And he’s fooling himself if he really thinks that China is worried about it.