People who travel in space are often called astronauts.
An astronaut
Fear of space is referred to as astrophobia.
People who travel into space are typically referred to as astronauts.
Astronauts, or, in Russia, cosmonauts.
An American space traveler can be referred to as an astronaut, as they are individuals trained to travel and work in space.
Robot
Electricity, as used by us in such things as our computers and TVs etc, requires a conductor. It is the movement of electrons along that conductor which most people call electricity. This cannot travel through space. However electricity is also a part of and related to the electromagnetic spectrum which can travel through space.
Technology
English uses the definite article far less than most European languages, especially in place names, and "Space" has the quality of a place name, like France or Asia. Just as we do not say the France or the Asia, we do not call that vastness away from our planet "the Space."
No. What we call falling or shooting stars are just bits of dirt burning up in our atmosphere as they travel through it.
Geologist
Patriotism