Housing and clothing<br>In the harsh environment of Mars, we also need to deal with two kinds of radiation lines: solar radiation and cosmic radiation.<br>We are sunburned by the sea, which is caused by solar radiation. Energetic particles from the sun will pass through the earth's atmosphere. Cosmic rays come from outside the solar system, and energy is much higher and more dangerous than solar radiation. The thick atmosphere of the earth blocks most of the cosmic rays. Cosmic rays can not only penetrate the skin, but also the heavy metal, and even confuse the electrical system.<br>
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