SOLAR SYSTEM

Detailed explanation-1: -Astronauts need to exercise while in space because, without gravity, the environment in space-lacks breathable air, including the oxygen humans need.

Detailed explanation-2: -Astronauts usually sleep by restraining their bodies in a small sleeping compartment or sleeping bag. In space, there’s almost no gravity, so there’s no distinction between up and down like on earth. Any surface can be a floor, wall, or ceiling, and therefore astronauts can sleep anywhere.

Detailed explanation-3: -A space station needs air, water, food and power. A toilet also comes in handy. 2. What do astronauts bring into space to breathe?

Detailed explanation-4: -Spacesuits are specially designed to protect astronauts from the cold, radiation and low pressure in space. They also provide air to breathe. Wearing a spacesuit allows an astronaut to survive and work in space.

Detailed explanation-5: -The suits provide the proper pressure for the body and supply astronauts with water to drink and oxygen to breathe. The spacesuit worn for spacewalks outside the International Space Station is called the extravehicular mobility unit, or EMU.

Detailed explanation-6: -The suits protect astronauts from getting too hot or cold. Spacesuits also give astronauts oxygen to breathe while they are working in space. The suits hold water to drink.