This false color photograph of Neptune was made from Voyager 2 images taken through three filters: b
This false color photograph of Neptune was made from Voyager 2 images taken through three filters: blue, green, and a filter that passes light at a wavelength that is absorbed by methane gas. Thus, regions that appear white or bright red are those that reflect sunlight before it passes through a large quantity of methane. Image credit: NASA/JPL -- source link
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