A person that travels in space is known as an Astronaut, also referred to as a Cosmonaut. An astronaut is a person who travels in space. They are usually trained to operate spaceships and other machines that they may need to survive in space.
an astronaut
Alien
An astronaut.
He/She is called an Astronaut.
An astronaut.
The dictionary definition is astronaut!
A person who travels into space is called an Astronaut. The name is derived from Latin and literally means "Star Sailor." If travel in space ever becomes highly reoutine, it is to be expected that a simpler, more mundane word will be used.
When you finish your training (without failing) they pick your name out of a hat. Whoevers name it is that person travels to space.
The space shuttle travels in low earth orbit (LEO), from 120 to 380 miles in space.
The dictionary definition is astronaut! Here is the meaning of the word. An astronaut is a person who goes into space. Astronauts travel in spaceships. Some astronauts have walked on the moon.
Astronauts
As the medium through which light propagates in space is closes to a vacuum, light propagates very well in space. However, it travels at the same speed as it would on earth, as light travels at 299,792,458m/s in a vacuum, regardless of where that vacuum is located. the light travels in same speed whether it travels in space or earth.
Energy from the sun travels through the vacuum of space by radiation.
space probe