"I've come to appreciate the planet we live on. It's a small ball in a large universe. It's a very fragile ball but also very beautiful. You don't recognize that until you see it from a little farther off." — Guion Bluford, @nasa astronaut, US Air Force pilot, and the first African-American to fly into space, born #OTD in 1942. . . . . . . . . #nasa #astronaut #history #sciencehistory #space #blacklives #blackandSTEM #science #spacescience #beautiful #earth #universe #nature #planet #appreciation #gratitude #inspirationalquote #inspiringquotes #quotation