January 26, 2026/
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Colour of Auroras • Green: Oxygen• Red: Oxygen• Blue / Purple: Nitrogen How Auroras Are Formed • Source of energy:...
Colour of Auroras • Green: Oxygen• Red: Oxygen• Blue / Purple: Nitrogen How Auroras Are Formed • Source of energy:...
Context Gemini South Telescope (Chile) captured a high-detail image of the Butterfly Nebula (NGC 6302) for its 25th anniversary; the...
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