Cosmic rays hit Space-Age high
Energetic iron nuclei counted by the Cosmic Ray Isotope Spectrometer on NASA's Advanced Composition Explorer (ACE) spacecraft reveal that cosmic ray levels have jumped 19 percent above the previous Space-Age high (Image: Richard Mewaldt/Caltech)
Article Summary
NASA has a warning for everyone planning a trip to Mars in the near future – it might be a good idea to wrap yourself in an extra layer of tinfoil when you travel According to sensors on NASA's ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high, reaching levels 19 percent higher than observed in the past 50 years and sparking a rethink on the radiation shielding needed for astronauts.
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