(Reuters) – Former astronaut Neil Armstrong, the first human to set foot on the moon, is recovering from heart-bypass surgery, NASA said on Wednesday. Armstrong, who turned 82 on Sunday, underwent surgery on Tuesday to relieve blocked coronary arteries. NBC news quoted his wife Carol Armstrong as saying he is "doing great." As commander of the Apollo 11 mission, Armstrong became the first human to set foot on the moon on July 20, 1969. …