The Soviet Union beat the US to this, with the October 4, 1957 orbiting of Sputnik 1, and later beat the US to the first human in space, Yuri Gagarin, on April 12, 1961. The race peaked with the July 20, 1969 US landing of the first humans on the Moon with Apollo 11.
The definition of a luminary is an object giving off light, or a personality that is well known or enlightening to mankind. An example of a luminary is a candle.
A spoiler draws near! Click 'show' to display, otherwise run away! Luminary cannot be unlocked until the main story is completed. To unlock the luminary class, you have to go to the dance club in Gleeba. Go over to the left side, near the girls' makeup room and talk a girl named Applaudia. She tells you to kill a moai minstrel with the hot lick ability.