Uranus (left) and Neptune (right)

Uranus (left) and Neptune (right)
Uranus (left) and Neptune (right) The images for these two color composites were obtained by the same spacecraft through the same sets of filters and processed in the same way, so should accurately represent the relative colors of Uranus and Neptune at the times that Voyager 2 passed by them. NASA / JPL / Bjorn Jonsson

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