What Causes Auroras?
Charged particles from the Sun collide with Earth's upper atmosphere, exciting oxygen and nitrogen atoms that release the shimmering green and purple light of the aurora.
#aurora#northern lights#solar wind
More in Aurora & Northern Lights
What Causes the Northern Lights?
How charged particles from the Sun collide with Earth's atmosphere to create the aurora borealis.
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Aurora Views from the ISS: November 2025 Geomagnetic Storm
Astronauts aboard the International Space Station capture the aurora during the November 11-13, 2025 geomagnetic storm, following an X5.1 solar flare.
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