minus-square@Sterile_TechniquelinkEnglish13•7 months agoYou don’t even need oxygen to be in a liquid or solid state to see it: oxygen is the reason the sky is blue. When you look through a large enough volume of gaseous oxygen, as you do when you step outside in the day time, you can see it just fine.
minus-square@AdrianTheFroglinkEnglish5•7 months agonitrogen and ozone also contribute to the blue color
You don’t even need oxygen to be in a liquid or solid state to see it: oxygen is the reason the sky is blue. When you look through a large enough volume of gaseous oxygen, as you do when you step outside in the day time, you can see it just fine.
nitrogen and ozone also contribute to the blue color
You could say it’s… triune!