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Extraterrestrial plants will look different because they have evolved their own pigments based on the colours of light reaching their surfaces, says Nancy Kiang of the NASA Goddard Institute for Space Sciences in New York, US.
To determine the best colours for photosynthesis on other planets, Kiang worked with NASA's Virtual Planetary Laboratory at Caltech to determine the light reaching the surfaces of Earth-sized worlds orbiting their host stars at distances where liquid water – and therefore life – could exist. The results depended on the star's brightness and the planet's atmosphere.
Originally posted by super70
At least i hope thats whats happening.
Originally posted by untilted
for me it would be shocking that we are alone out there...