Space Travel and its after effects on the humans

Yogesh Pant
Yogesh Pant is a final year student in Electronics and Communication Engineering. He loves to write about the technology and its effects and is passionate for astronomy. The dynamism of technology excites him a lot.
Yogesh Pant
Yogesh Pant

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Space Travel and its after effects on the humans

Space Travel, the walk on the nearby or distant planets, satellites and other astronomical bodies by the space travellers seems to be very interesting and quite simple if we go through the fiction books on space travel or any of the science fiction movies depicting the travel of humans on space. But if you, as a human go serious thinking of the travel in the space, you should always be aware of the after effects of the space travel on human bodies.

Why So Serious?

It is not that simple to travel in space by any ordinary human being due to many adverse conditions prevailing in the outer space such as zero gravity, weightlessness, direct exposure to harmful radiations, to name a few, which we humans are not addicted to in our planet, earth.

Cause for the after effects of space travel

Almost all of the effects caused in outer space are caused because we humans in our earth have to do most of our works sitting or standing, working against the gravity. As we know that there is no such factor in outer space, the astronauts which travel in space do not use their bodies (particularly bones and muscles) to that extent because they do not feel any need using them. This results in adverse conditions to the humans in the space.

The after Effects of space travel

The human body is designed as such that the motion of blood from lower to the upper parts have to work against the gravity. In absence of gravity, there is no such boundation and the blood

supply rate to all the organs is the same. This results in increasing the heart rate, blood pressure and the skinny legs. It may also result in puffiness of face, headaches or even nasal congestion to some astronauts.

Some of the other minor effects of the space travel to the human bodies may include vomiting, insomnia, malaise, dizziness and more spherical shapes of the red blood cells. The space travel may also result in the lesser immunity of the human bodies to the diseases.

Also, as the spinal bones have not to work that much hard to which they are addicted in earth and due to zero gravity environment prevailing in the space, astronauts grow up to two inches taller in space which results in the back aches. However, as stated earlier, all of these effects are not persistent but the space traveller return to their original state some days after they come back to the earth.

Last but not the least, Space radiation exists in the space environment. On the Earth, the atmosphere and the earth’s magnetic field provide a shield for human beings, and prevent space radiation such as the ultraviolet rays from penetrating to the Earth’s surface. But, due to the absence of any such shielding in the space, astronauts are subjected to greater amounts of these harmful radiations.

What’s actually happening in the space is that the cosmic rays are slashing through the brains of the astronauts. Along with the solar flares, these rays travel rapidly and tend to expose astronauts to higher levels of ionizing radiation. This form of radiation can damage atoms in human cells, leading to decreased immunity against general diseases also and a higher risk of cataracts, cancer, heart disease, damage to the central nervous system and brain damage.

So, next time when you go serious to think about the space travel, as a human being, go through the after and the on-travel effects of the travel as well.