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both planets are actually a comparable shade of greenish blue. well, to help us understand this, i mjoined by professor catherine heymans. she s the astronomer royal for scotland, and a professor of astrophysics at the university of edinburgh. hello to you. thank you very much forjoining us. hello to you. thank you very much forjoining m hello to you. thank you very much forjoining ve for “oining us. please explain, why did forjoining us. please explain, why did we think forjoining us. please explain, why did we think they forjoining us. please explain, why did we think they were forjoining us. please explain, why did we think they were these - did we think they were these different colours to begin with? these images that we are used to seeing are from the voyager two nation. it was a nasa spacecraft that was launched in the late 70s and took images of uranus and neptune in the late 80s by the time it got there. now, the way you and i see colour is we have ph ....
That we see. now, voyager did something very similar, it took images in different colours and then astronomers combine them together to give us the composite colour image that you are used to seeing. now, figuring us, they did this in the way that had we hit the left with voyager two we would have seen it in that way, as a pale, blue, green, but for neptune they played a bit of a check, check that i think all people and instagram have done at some point with their photographs when they posted them, they adjusted the colour scale to enhance some of the colour scale to enhance some of the features that you can see and neptune s atmosphere. in doing that, they gave that this really deep blue colour. and when these photographs were released, it is set at the time that that is what they had done, but it has just sort of stuck in cultural knowledge that neptune is blue, uranus is green. i ve got a picture from my son over there that he brought back from primary school the other day, indeed, ....