How the human body is affected in outer space
Astronauts who travel to the space station face many challenges. These difficulties arise from the hazardous conditions they’re exposed to once they get outside of Earth’s atmosphere and gravitational pull.
The further we get from the earth’s surface, the weaker gravity becomes. Low gravity can have some negative effects on humans and might take some getting used to.
Here on earth, we have to constantly fight gravity. But in space, our bodies don’t have this strain. We constantly need to use our muscles which can lead to their degradation, especially after a few days in space
The heart is mainly made up of muscle, which can change shape. Skeletal muscles lose density very quickly
Astronauts experience changes in height and fitness levels when in space. Without gravity, their spine is able to remain uncompressed and they feel less strain on their muscles. Returning back to earth also reduces height and limits cardiovascular competency.
The earth’s atmosphere and magnetic poles protect us when we are on the planet. However, in space travelers only have their spaceship to protect them from radiation. They are more exposed to high levels of radiation in space, leading to many health hazards.
It’s common for those who are continuously exposed to a high level of radiation to experience symptoms such as headaches, nausea, vomiting and breathing difficulties. In more severe cases there may also be confusion, hallucinations or other illness symptoms.
There is radiation in space which can cause problems such as the loss of bone mass. People who travel into space, such as astronauts, may lose 300x more bone mass than those on Earth.
Traveling in space is often very isolating, even if there are other astronauts on board. Astronauts go through extensive training to be able to cope with the emotional and mental changes they face when on a space mission.
Infographic Source: madgetech