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| − | Cosmic rays are high energy particles that are part of the background radiation in space. Most cosmic rays are absorbed in the Earth's atmosphere and do not reach the planet's surface. Cosmic rays have detrimental effects on human health<ref>https://en.wikipedia.org/wiki/Health_threat_from_cosmic_rays</ref>. On Mars, cosmic rays are not absorbed as the atmosphere is too thin, and [[radiation shielding]] is required for the habitats. | + | The Cosmic Rays page and Cosmic Radiation page have been combined. Please go to [[Cosmic Radiation]]. |
| − | ==Composition==
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| − | Cosmic radiation comprises 85% protons, 14% alpha particles, and 1% heavy ions.<ref>Schimmerling W. (2011, Feb 5). The Space Radiation Environment: An Introduction. <nowiki>https://three.jsc.nasa.gov/concepts/SpaceRadiationEnviron.pdf</nowiki></ref>
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| − | ==Energy==
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| − | [[File:GCR spectra.png|alt=|frame|Energy distribution of cosmic radiation, as measured during the 1977 solar minimum.<ref>Kim MY, Thibeault SA, Simonsen LC, Wilson JW. (1998). Comparison of Martian Meteorites and Martian Regolith as Shield Materials for Galactic Cosmic Rays. NASA TP-1998-208724. <nowiki>http://hdl.handle.net/2060/19980237030</nowiki></ref>|none]] | |
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| − | ==References==
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| − | [[Category:Medicine]]
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| − | [[Category:Radiation Protection]]
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| − | <references />
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Latest revision as of 22:27, 1 July 2024
The Cosmic Rays page and Cosmic Radiation page have been combined. Please go to Cosmic Radiation.
