Samantha Mathewson joined Space.com as an intern in the summer of 2016. She received a B.A. in Journalism and Environmental Science at the University of New Haven, in Connecticut. Previously, her work has been published in Nature World News.
This coronal mass ejection, captured by NASA’s Solar Dynamics Observatory, erupted on the sun on Aug. 31, 2012, traveling over 900 miles per second and sending radiation deep into space. Earth’s magnetic field shields it from radiation produced by solar events like this one, while Mars lacks that kind of shielding.
Together, both spacecraft study the quantity of solar particles that reach Mars and how energetic they are. Curiosity's Radiation Assessment Detector instrument, or RAD, measures how the planet'saffects the intensity of the particles that reach the Martian surface, as well as how radiation breaks down carbon-based molecules on the surface, from which researchers can infer how much protection astronauts exploring Mars may require.
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