Kathrine Johnson Orbits Pin Polo Linen-textured surface reduces glare

Linen-textured surface reduces glare

prepare for endless Jurassic fun and learning

including himself

while its size makes it a fantastic playmate for your little one's imaginative adventures

Puzzle out the pussycat concealed in the posies

Kathrine Johnson Orbits Pin Polo Linen-textured surface reduces glareKatherine Johnson was a mathematician who calculated the flight paths for many missions during her more than three decades with NASA. This pin is based on a chart Johnson created explaining how to determine where an orbiting spacecraft would land so that astronauts could be recovered. When NASA began using electronic computers to calculate flight paths, astronauts were concerned about relying on these new machines. John Glenn (the first American to