In the last post we mentioned the Van Allen radiation Belts. But what is it exactly?
The Van Allen radiation belt is the Earth’s magnetosphere and protect the earth from high energy radiation particules coming from solar winds and others cosmic rays. It is composed of two main belts, with additional temporary ones occasionally forming. They kind of surrounds the Earth like an enormous donuts. The belts were discovered in 1958 by, you guessed it, astrophysicist James Van Allen. The discovery of the inner radiation belt was made using data collected from Explorer 1, while additional data from Pioneer 3 (December 6, 1958) and Explorer IV (July 26, 1958) contributed to the discovery of the outer radiation belt.
The belts have significant effects on satellites and other spacecraft due to the intense radiation within these regions. The radiation can harm their internal electronic components and have a detrimental impact on the health of passengers.
The Apollo missions were the first instance of humans traveling through the Van Allen belts. The astronauts' exposure to radiation in the belts was minimal due to the brief time spent passing through them.
Catch you in the next post! 👩🚀👨🚀✨
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