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The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin -based chlorophyll, making the surface biosphere appear purplish ...
Purple liquid with atomic number 11 and symbol Re that makes a compound that produces clouds when exposed to air when mixed with Arsonium, and an antivirus when mixed with Nanite and Sanite. The real element 11 is sodium; and Re = rhenium. Residuum Critical Role, The Legend of Vox Machina: A mineral; can enhance arcane powers. Refined from ...
Impossible color. The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types. Impossible colors are colors that do not ...
In folklore and fantasy, an enchanted forest is a forest under, or containing, enchantments. Such forests are described in the oldest folklore from regions where forests are common, and occur throughout the centuries to modern works of fantasy. They represent places unknown to the characters, and situations of liminality and transformation.
Magic. The history of magic extends from the earliest literate cultures, who relied on charms, divination and spells to interpret and influence the forces of nature. Even societies without written language left crafted artifacts, cave art and monuments that have been interpreted as having magical purpose.
Amanita muscaria. Amanita muscaria, commonly known as the fly agaric or fly amanita, [5] is a basidiomycete of the genus Amanita. It is a large white- gilled, white-spotted, and usually red mushroom. Despite its easily distinguishable features, A. muscaria is a fungus with several known variations, or subspecies.
Globe. Topography globe featuring physical features of the Earth. A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Globes serve purposes similar to maps, but, unlike maps, they do not distort the surface that they portray except to scale it down. A model globe of Earth is called a terrestrial globe.
The iconic photo of Earth known as The Blue Marble, taken by the crew of Apollo 17 (1972). This and similar images might have popularized Earth as a theme in fiction.: 138 The overwhelming majority of fiction is set on or features the Earth, as the only planet home to humans or known to have life.