October 23, 2021

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Glowing ‘dawn storm’ auroras that blaze in Jupiter’s morning skies are born in darkness

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Jupiter’s otherworldly glimmer of polar auroras is periodically brightened by brief but intense early morning displays known as dawn storms. Now, for the first time, scientists have figured out where dawn storms come from, how they grow, and that they’re even more powerful than expected. 

Scientists knew about dawn storms from telescopes in space and on Earth. But most of those instruments only provided partial glimpses of the storms, showing whatever was visible on the side of Jupiter that faced the sun. 



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