5 ms·

> To paraphrase, it would take an enormous amount of prior trust and respect before I even humour someone trying me to convince me the sky is green with a strai

• bluGill 3y ago
  The sky is still blue, the lack of light means you cannot tell, but the color is still there.
  • soperj 3y ago
    no... the sky is clear, and it's the refraction of light through the atmosphere that's confusing you.
    • bluGill 3y ago
      As someone who would die without an atmosphere the distinction is meaningless.
      • soperj 3y ago
        you're going to die regardless. The sky still isn't blue, which is quite obvious at night, or during sunsets and sunrise.
  • digging 3y ago
    I don't think that's a statement that most would agree with. What is the sky? Sure the atmosphere can be called blue, but the sky is what's visually above the earth. At night, that's black space. The atmosphere is mostly transparent at night.
  • stouset 3y ago
    The sky isn’t inherently blue. It’s essentially colorless. Only due to Rayleigh scattering do we perceive it as blue, but that’s not due to the absorption and reflection of different wavelengths we associate with innate color. Note that the color changes depending on the angle of the sun, even to the point that it’s purple and red at a few times during the day.
    • quonn 3y ago
      Perhaps, only because the sky is blue we perceive blue as blue. If the sky were red we would perhaps perceive all red like we do blue. Our perception of the important colors (sky blue, ocean blue, vegetation green, …) probably evolved along with our physical needs.