NASAのインスタグラム(nasa) - 7月28日 00時29分

Wow, stunning aurora captured by NASA astronaut Jeff Williams (@astro_jeffw) aboard the International Space Station (@国際宇宙ステーション). Auroras are a space weather phenomenon that occur when electrically-charged electrons and protons collide with neutral atoms in the upper atmosphere. The dancing lights of the aurora provide a spectacular show for those on the ground, but also capture the imaginations of scientists who study the aurora and the complex processes that create them.

Credit: NASA

#nasa #space #iss #spacestation #aurora #spaceweather #science

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