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Life in this world operates in colors that our eyes cannot see. It looks like twilight to us, but for the creatures in this alien swampland it’s an extremely sunny midday. This rocky planet is twice as big as Earth and orbits an orange dwarf, whose spectrum is shifted towards the infrared. Plants are dark to maximize the absorption of visible light and the white color of the crawling predator actually serves as camouflage. Its squirrel-like prey have evolved to glide in the thick atmosphere of this massive world, whose multibillion-year-old biodiversity would make that of Earth pale in comparison

A rocky planet bigger than Earth would have had lower mountains and shallower oceans due to stronger gravity.