Astronaut John Glenn Earth orbit 1962: "When I looked back out the window, I had thousands of tiny Glowing particles swirling around the capsule and away from me at maybe 3 - 5 miles per hour." during First Earth Orbit of 1962 : "As I peered back up through the window, I had literally millions of little, Luminous particles swirling about the capsule and flying away from me at maybe 3 - 5 miles per hour."