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Daisyworld Model graphics. Eco-Fashion Encyclopedia


At the beginning of the 1960s, National Aeronautics and Space Administration (NASA) asked the scientist James Lovelock to participate in a scientific research project aimed at trying to find evidence of life on Mars. While working with the project setting up design instruments capable of detecting the presence of life that could be sent on a spacecraft to Mars his hypothesis was that the Earth itself was a live organism. The ideas evolving during the years of science culminated in 1979 with the publication of the book Gaia: A New Look at Life on Earth.

James Lovelock and Earth-Sun model

James Lovelock needed to find a way to mimic important element of the Earth-Sun system model; of biological feedback mechanisms to illustrate the plausibility the Gaia hypothesis. Therefore, a mathematically based software program was developed to make computer simulations. The program was named Daisyworld. In the original 1983 version, Daisyworld is seeded with two diversity of daisy as its only life forms: black daisies and white daisies. White pealed daisies reflect light, while black pealed daisies absorb light. The program simulates tracks as the two daisy populations and the surface temperature of Daisyworld as the sun’s rays grow more powerful. Over a broad range of solar output, the surface temperature of Daisyworld remains almost constant. See Thermodynamics Earth Systems, Biodiversity, Albedo

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