Spaceflight
Spaceflight is the use and exploration of the space 100 kilometres and higher above the Earth. It is related to Astronomy, but is different in that astronomy is about looking at space, and spaceflight is actually going there.
Spaceflight is the use and exploration of the space 100 kilometres and higher above the Earth. It is related to Astronomy, but is different in that astronomy is about looking at space, and spaceflight is actually going there.