Clowns are grotesquely dressed comedy performers outer space.
Not every clown is an astronaut, but every astronaut has clowned-around while in orbit
about the earth.
Astronauts and cosmonauts often wear suits equipped with life supporting provisions to make
life in space possible for them. These suits are called space suits, and they are also worn by spacemen.
People who travel beyond the earth's atmosphere are called astronauts.
Astronauts are sometimes involved in astronautics, which is the science
of the construction and operation of vehicles for travel in space beyond the earth's atmosphere.
Astronauts and cosmonauts are skilled in astronomy and make observations of celestial phenomena.
