| cosmic rays |
Very high energy particles from space enter the earth's atmosphere and produce a shower of further high energy particles. When one of these particles passes through the CCD it will appear as a spike up to several hundred counts. There are on average 1 event per 10 sec's a sea level (This will vary with location).
출처: www.lot-oriel.it/site/pages_de_en/products/ccd_etc...
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| cosmic rays |
Atomic nuclei (mostly protons) that are observed to strike the Earth's atmosphere with exceedingly high energies.
출처: www.tifr.res.in/~sachi/glossaryC.html
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| cosmic rays |
High-speed particles - either atomic nucei or electrons - that travel throughout the solar system. Some particles originate at the Sun, but most come from sources outside the heliosphere and are known as galactic cosmic rays.
출처: spdxdev.estec.esa.nl/science-e/www/object/index.cf...
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