Datoteka:PIA17601-Comparisons-RadiationExposure-MarsTrip-20131209.png
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English: PIA17601: Radiation Exposure Comparisons with Mars Trip Calculation
12.09.2013 http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=5771 Measurements with the MSL Radiation Assessment Detector (RAD) on NASA's Curiosity Mars rover during the flight to Mars and now on the surface of Mars enable an estimate of the radiation astronauts would be exposed to on an expedition to Mars. NASA reference missions reckon with durations of 180 days for the trip to Mars, a 500-day stay on Mars, and another 180-day trip back to Earth. RAD measurements inside shielding provided by the spacecraft show that such a mission would result in a radiation exposure of about 1 sievert, with roughly equal contributions from the three stages of the expedition. A Sievert is a measurement unit of radiation exposure to biological tissue. This graphic shows the estimated amounts for humans on a Mars mission and amounts for some other activities. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Science Laboratory Project and the mission's Curiosity rover for NASA's Science Mission Directorate in Washington. The rover was designed and assembled at JPL, a division of the California Institute of Technology in Pasadena. More information about Curiosity is online at http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/.Русский: Оценка дозы радиационного излучения, которому подвергнется экипаж потенциальной экспедиции на Марс по схеме "180 дней перелёта + 500 дней на Марсе + 180 дней обратного перелёта на Землю", по результатам измерений детектора оценки радиации на борту марсохода "Curiosity". Крайняя справа колонка - доза облучения за 500 дней нахождения на Марсе, предпоследняя - за время перелёта. Для сравнения показаны (слева направо): средний радиационный фон на Земле на уровне моря, среднегодовой по США фон от различных источников, доза облучения при компьютерной томографии брюшной полости, максимально безопасная норма для работников Министерства энергетики США, средняя доза, получаемая за полгода работы на МКС. |
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| Izvor | http://photojournal.jpl.nasa.gov/jpeg/PIA17601.jpg |
| Autor | NASA/JPL-Caltech/SwRI |
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