Magnetic storms near Earth can generate dazzling auroras ⬇️ and also release high-energy particles hazardous to spacecraft & astronauts. Our THEMIS mission saw one such event much closer to Earth than previously thought possible. More from @UCLA: http://newsroom.ucla.edu/releases/space-weather-discovered-too-close-to-home

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NASA Sun & Space@NASASun·

22 Jan

A suborbital research rocket will measure ultraviolet starlight to study nitric oxide in Earth’s upper atmosphere — a gas that’s produced by the aurora. Meet the PolarNOx mission, launching as soon as Jan. 26 from Alaska. ⭐️🔎🌎 https://go.nasa.gov/2RkXTsJ

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spaceradiation.eu @__MarFTin__·

19 Jan

https://spaceradiation.eu/expressing-the-sensitivity-to-radiation/

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