Astronaut-menacing sunstorm spotted rippling across inner solar system
Astroboffins map engine of a solar flare: Magnetic mega-fields and Earth-dwarfing blankets of electric current
The spread of energy from GLE73 led astroboffins to warn about the risks of space radiation for astronauts exploring the Moon and Mars in the future. Ionizing radiation is measured in units called grays. Doses above 700 milligray can damage bone marrow and lead to sickness, internal bleeding, and infections. At higher doses, astronauts receiving 10 gray of radiation probably wouldn't survive in space for longer than two weeks.
Lunar explorers could have been hit by up to 10 gray worth of radiation if they were unlucky enough to be subjected to a coronal mass ejection event in August 1972. Luckily, it occurred between the Apollo 16 and 17 missions when nobody was on the moon."Our calculations of the past ground level enhancement events show that on average one event every 5.
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