People who journey into space are called?
Robert H. Goddard
The "Father of Modern Rocketry" who built and launched the first liquid-fueled rocket?
Wernher von Braun
The astronautical engineer who helped make the U.S. the leader in space exploration?
An object that orbits a larger object?
An object in motion will continue moving in the same direction and at the same speed unless and outside force acts upon it.
State Newton's first law of motion!
The first artificial object to orbit the earth?
The first U.S. satellite?
The first person to travel in space?
America's first person in space?
The first American to orbit the earth?
The Apollo mission that landed the first men on the moon?
The first person to set foot on the surface of the moon?