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41,000 Years Ago, Auroras Appeared Across the Globe
A weakened geomagnetic field left Earth almost defenseless against harmful cosmic radiation 41,000 years ago, but that didn’t stop humans from thriving. The post 41,000 Years Ago, Auroras Appeared Across the Globe appeared first on Sky & Telescope.
A weakened geomagnetic field left Earth almost defenseless against harmful cosmic radiation 41,000 years ago, but that didn’t stop humans from thriving.
The post 41,000 Years Ago, Auroras Appeared Across the Globe appeared first on Sky & Telescope.
