The oceans have made it the perfect environment for biodiversity, but a new study suggests it may not have the best galaxy conditions.
Research suggests that exoplanets that have "favorable ocean circulation patterns" might be better suited to sustain a wider range of life than Earth.
"This is a surprising conclusion," said lead researcher Dr. Stephanie Olson of the University of Chicago in a statement. "This shows us that the conditions of some exoplanets with favorable ocean circulation patterns may be better suited to sustaining a life that is more abundant or more active than life on Earth."
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Olson, who presented research at the Goldschmidt conference in Barcelona, said life depends on bringing back nutrients from the deepest part of the ocean to the top, where the life of photosynthesis is abundant.
"Most growth means more nutrients, which means more biological activity," Olson added. "These are the conditions we must look for on exoplanets."
Olson and other researchers used a series of computer models to see which exoplanets might have the conditions for an effective oceanic rise.
"We have found that higher atmospheric atmospheres density, slower rotation rates and the presence of continents lead to higher levels of intensity," Olson said in the statement. "It is further important that Earth may not be optimally habitable – and life elsewhere can enjoy a planet that is even more hospitable than our own. "
Georgia Institute of Technology associate professor Chris Reinhardt, who did not participate in the study, said the researchers were expecting the oceans" be important for regulating some o t the most captivating distant signs of life in inhabited worlds, "but added that understanding of the oceans outside the solar system is" very important at the moment. "
This is very likely the oceans are common in the Milky Way galaxy. Kepler Space Telescope and other NASA instruments have suggested that one of the four stars is hosting a planet similar to Earth, but with current technological limitations, these exoplanets must be studied from afar.
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Despite these limitations, Olson's hypothesis, which Reinhardt called "a significant and exciting step forward," is likely to be expected "to be life"
"This means that in our search for life in the universe, we must focus on the subset of habitable planets that will be most favorable to the large, globally active biospheres, because they are planets , where life will be easiest to find – and where undetectable will be the most meaningful, "Olson said.
Recently, NASA Space Telescope data have given scientists a first look at the conditions of the surface of a rocky exoplanet, the planet LHS 3844b. The exoplanet, which is 48.6 light-years from Earth and has a radius 1.3 times larger than Earth's, according to NASA orbiting a small star called M Dwarf. It was first spotted by NASA's satellite exoplanet in 2018.
Although the demand for life NASA's focus is largely on the planets, located in the "habitable zone", the space agency recently announced that it will study Jupiter's icy moon in Europe to see if it "can accommodate living conditions."
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