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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.
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.
This graph image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}.
It is recommended to name the SVG file “PIA17601-Comparisons-RadiationExposure-MarsTrip-20131209.svg”—then the template Vector version available (or Vva) does not need the new image name parameter.
This image shows some kind of simple graph/chart that could be converted to a Wikichart. Storing graphs or charts as images makes it harder to change (correct or translate) them. Wikicharts also help making sure to be consistent in font and size.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]