@holvekSep 1, 2026 · 0:10 · BAILA LENTO (Slowed)
The probability of finding an exoplanet with tree-like life forms is currently estimated by science to be extremely low, yet theoretically entirely possible as space telescope technology advances. Out of more than 5,700 exoplanets discovered to date, not a single one has shown confirmed signs of even primitive life, as the evolution of large terrestrial organisms like trees requires a strict alignment of many unique conditions. A planet must not only reside in its star's habitable zone, possess liquid water, and have a dense atmosphere to block radiation, but it must also undergo billions of years of biological evolution — considering that on Earth, trees only appeared about 400 million years ago. Furthermore, the development of tall trunks is directly governed by gravity: on massive "Super-Earths," strong gravitational pull would likely force vegetation to be low-lying, carpet-like, and dense, because the laws of physics would prevent water from being transported to great heights. Interestingly, alien "forests" would unlikely be our familiar green; on planets orbiting dim red dwarfs, the local flora would likely be black or dark purple to absorb maximum energy, while planets orbiting hotter stars might feature yellow or orange foliage. Currently, scientists are searching for such worlds using the James Webb Space Telescope, hunting not for individual trees but for chemical biosignatures in exoplanetary atmospheres, including the "Red Edge" — a distinct spectral signature of chlorophyll that strongly reflects infrared light, which would serve as definitive proof of developed alien vegetation. #forest #fact #physicstok #astro
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