Burrowing a few feet into Mars could protect future visitors, a new study reveals.
— which is composed mainly of carbon dioxide and nitrogen — they lose a lot of energy through ionization, which can prevent them from reaching the surface. This can largely depend on the thickness of the atmosphere and subsequently, the amount of atmospheric pressure applied to the surface, the study authors found. to the deepest Martian crater Hellas Planitia , the thickness of Mars' atmosphere can vary in different areas, changing the amount of radiation that reaches the surface.
The researchers also discovered that the interaction between GCRs and the atmosphere also creates another harmful type of radiation called secondary neutron particles. They found that more atmospheric shielding resulted in enhanced contributions of the secondary neutrons to the surface. The tesearchers used state-of-the-art computer modeling called the Atmospheric Radiation Interaction Simulator and radiation data collected by NASA's
— which landed insiden Mars's Gale Crater in 2012 — to simulate GCR exposure on the planet's surface and measure how deeply it penetrates into the surface dirt and rock .
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