No, it is not.
An astronaut is a person who travels in space.
An astronaut.
Nothing really. Elderly is a polite way to say an old person i.e a 70year old. Old is slightly ruder and is also used to describe objects rather than people.
Words for a person who travels from place to place are:travelernomadtouristsojournersightseertransientwayfarervagabonddrifterHitchhiker
A person who travels to another place for a holiday is a tourist.
Tourist
hiker
A person who travels around the world is often called a "globetrotter" or a "world traveler."
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.
A person who doesn't have a home and travels constantly is commonly referred to as a "nomad" or "vagabond."
An astronaut is a person who travels beyond the stars, exploring outer space and conducting research in spacecraft.
a person who visits places for pleasure