The making of “Margaret by Moonlight”

What do the mirrors in a solar energy array do at night? Could we point them at the moon to create a giant image of Margaret Hamilton, made of moonlight? Yes, as it turns out. With the help of a lot of trigonometry, Google Earth, and Margaret herself. Learn more at https://medium.com/google-earth/the-making-of-margaret-by-moonlight-a9ed9ba5217e