*Astronaut come from two Latin words, Astrum meaning star and nautam meaning sailor. Star Sailor!
*Astronaut is an American space traveler.
*Cosmonaut is a Russian space traveler.
*When the United States refers to a rocket they usually refer to it as the payloads name then the rockets name. Ex. Mercury-Redstone (Mercury capsule and Redstone Rocket)
* G refers to Earth’s gravity. Ex. 2 G's equals twice that of Earth's gravity
*STS-## is used when designated shuttle flights. STS stands for Space Transportation System.
*EVA stands for Extra Vehicular Activity or Space Walk