New research results from the famous Max Planck Science Complex (Germany) show that we may not have discovered where extraterrestrial life resides simply because we are looking for the wrong kind of planet.
pig Scientific Alert, Previously, rocky planets like Earth, orbiting metal-rich stars, were thought to be “promised land” of life. However, new research led by Dr. Anna Shapiro of Max Planck Institute for the Solar System (Germany) because that ρ must seek in the opposite direction.
Ϲhand indicating work metal-poor stars is the best environment for life on surrounding planets to survive, thanks to testing on some typical star types.
Metal-poor new stars are best environments for life on planets
“New research published”screening form” in particular to find potentially habitable planets among more than 5,000 worlds identified by NASA – (Image: NASA).
pig Sci-NewsStellar emission and the ability of the planet to protect itself against ultraviolet radiation depend on the effective temperature of the parent star.
With young ultraviolet (UV) planet may be necessary to trigger the life-generating response, but when life has evolved to some degree, UV rays can damage DNA and cause it to perish.
Metal-rich stars generally emit less UV radiation and were once thought to be more habitable, but new research suggests it depends on the type of UV they emit.
The sun, which strikes the earth with many types of UV radiation, including long-wave UV-Ɓ, destroys the ozone layer, and short-wave UV-Ϲ helps create ozone when it interact with the atmosphere.
Metal-rich stars emit more UV-B than UV-C and vice versa. that Metal-poor stellar planets are more likely to have a thicker ozone layer, which in turn shields itself from harmful UV rays and other harmful cosmic rays.not.
The Earth is an example.
This discovery opens a new direction in the hunt for extraterrestrial life, but also brings bad news: “Each newly formed star has a more metal-rich building material than its predecessor, so stars in the universe become metal-enriched with each generation, so the probability of life also decreases as the universe is aging.
ƝA research has just been published in a scientific journal Natural communication.
Article source: MTN
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New research results from the famous Max Planck Science Complex (Germany) show that we may not have discovered where extraterrestrial life resides simply because we are looking for something wrong.