The discussion revolves around the perception of the sky's color from the perspective of an astronaut in space, exploring the differences between viewing the sky from Earth and from orbit. Participants examine concepts related to Rayleigh scattering, visual perception, and the definitions of "sky" in different contexts.
Participants express differing views on the definition of "sky" and its implications for color perception from space. There is no consensus on the exact nature of the sky's color when viewed from orbit, and multiple perspectives remain unresolved.
Participants highlight the importance of visual context, such as the backdrop of space versus the Earth, and the effects of atmospheric scattering on color perception. The discussion includes assumptions about how light interacts with the atmosphere and the observer's position.
And since air is only blue when Rayleigh scattering makes it so, you'll only see this blue cast when you're correctly lined up with the sun.sophiecentaur said:The 'colour' of the sky irom Earth is very pale (desaturated). Looking down through it to the more saturated colours on the ground and all you might expect is that it would give everything a very slighy blue cast. There would be a reddish ring around parts of the outside (corresponding to a sunset sky), I suspect but, again very diluted by the reflected Earth light or direct sunlight.