![This global map of Mars, based on data from NASA Mars Odyssey, shows estimates for amounts of high-energy-particle cosmic radiation reaching the surface, a serious health concern for any future human exploration of the planet.](https://images-assets.nasa.gov/image/PIA03470/PIA03470~orig.jpg?w=838&h=838&fit=clip&crop=faces%2Cfocalpoint)
Arsia Mons Spiral Cloud
This global map of Mars, based on data from NASA Mars Odyssey, shows estimates for amounts of high-energy-particle cosmic radiation reaching the surface, a serious health concern for any future human exploration of the planet.
TakenFebruary 16, 2002
ProducerJPL
Size838x838px
PIA NumberPIA03470