Air is mostly nitrogen. Nitrogen gas is blue. There. | Hacker News

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		alejohausner 23 days ago \| parent \| context \| favorite \| on: Why is the sky blue? Air is mostly nitrogen. Nitrogen gas is blue. There.

pbhjpbhj 23 days ago | [–]

Go watch a video of nitrogen gas evaporating from liquid nitrogen ... tell me what colour you see?

mjanx123 23 days ago | [–]

Oxygen is blue actually. That only contributes to the sky blueness a little tho.

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