The sky isn't just blue — airglow makes it green, yellow and red too

Is blue the true color of the sky, or the only color of the sky? It's complicated.

TroibNews TroibNews
Jan 4, 2023 - 20:00
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The sky isn't just blue — airglow makes it green, yellow and red too
Is blue the true color of the sky, or the only color of the sky? It's complicated.