We landed on the moon. Yes? Like the overthrow of Mosaddeq, or the manufacture of the Gulf of Tonkin incident, it was a stunning example of Mid-century American ingenuity that can make one feel small/humbled just contemplating it. Here is a way to prove that it happened using non-fancy Newtonian physics.

A "speck" of moon dust "the size of a fingertip" from the 1969 Apollo 11 mission to the moon (yeah, right) turned up at a Missouri auction house this week and returned to the Johnson Space Center. [Time]