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.
problems of astronaut encounter in space explorations
If an astronaut took off his helmet in space, his body would explode from the lack of pressure in space before other problems would become noticeable.
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.
The astronaut's space helmets allows them to breathe in space! It is connected to an air supply.An astronaut's space suit keeps him from harm from outer space objects!They live in an airtight environment (suit, ship, or station).
Astronaut Yuri Gagarian
Yep, if an astronaut has mass, they will have inertia.
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
The name of the first astronaut to fly in space was Alan .b. Shepard.
An astronaut needs a space suit that will allow him or her to stay safe in zero gravity. The astronaut also needs a camera that will record images from outer space.