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The Conversation

New study shows mysterious solar particle blasts can devastate the ozone layer, bathing Earth in radiation for years

The Conversation
Summary
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Known as solar particle events’, these blasts of protons directly from the Sun can shoot out like a searchlight into space.

Around every thousand years Earth gets hit by an extreme solar particle event, which could cause severe damage to the ozone layer and increase levels of ultraviolet (UV) radiation at the surface.

Earth ’s critical magnetic field provides a crucial protective cocoon for life.

The simultaneous evolution of eyes and hard body shells in multiple unrelated groups has been described as the best means to both detect and avoid the harmful incoming UV rays, in a “flight from light”. We are still only starting to explore the role of solar activity and Earth ’s magnetic field in the history of life..