Many do at first, most accommodate and adapt. Some never do adapt.
Its call Space Adaptation Sickness (or Syndrome)--SAS. This is one reason why they test in the KC130 aircraft that simulates zero gravity for ~30 seconds.
An astronaut.
an astronaut is someone that goes up in to space
Alan sheperd was the first astronaut in space.
To an astronaut in a space craft, the sky appears to be black.
Astronaut Yuri Gagarian
Yep, if an astronaut has mass, they will have inertia.
A person who flies in space is called an astronaut.
The environment of space is lethal without appropriate protection: the greatest threat in the vacuum of space derives from the lack of oxygen and pressure, although temperature and radiation also pose risks. The effects of space exposure can result in ebullism, hypoxia, hypocapnia, and decompression sickness.
An astronaut is a commander, pilot, or a crew member of a spacecraft. In Russia an astronaut is known as a cosmonaut.
Space-based exploration and study is the primary role of an astronaut. A space traveler who is not primarily an astronaut is called a mission specialist.
in space
An astronaut or a cosmonaut.