10/10  New York City as seen from the ISS on September 11  Nasa  "multiple stellar systems are common, and about 50% of stars have double satellites. So this study can be applied to a large number of solar systems, "said in a statement, Gongjie Li, co-researcher, associate professor at the Georgia Tech School of Physics.
The researchers began by examining how Earth Tilt compares to tilt They found that our relatively slight changes in slope helped the Earth to become a great place to live and start and flourish, while much more extreme changes in Mars helped to destroy its atmosphere.
Then they on they looked at how Earth could develop if it was in a system known as Alpha Centaur AB, which is the neighbor of our solar system and is a binary system made up of two stars known as "A" and "B." The news was pessimistic. in this system, offering bad news to those planning to send a space probe to the system in the hope of finding extraterrestrial life.
"We simulated what it would be like in other binaries with multiple variations of star masses, orbital qualities ities and so on, "said Billy Quarles , a principal research researcher and researcher at Lee's laboratory. "The overall message was positive, but not for our closest neighbor."
The researchers then looked further into the universe. The discoveries were more positive for extraterrestrial life when they looked further, as the study showed that subtle variations like those on Earth were far more likely when looked deeper into space.
"Generally, the separation between stars is greater in binary systems and then the second star has a smaller effect on the model of the Earth. The planet's own movement dynamics dominate other influences and hair tends to have less change, "Li said. "So this is pretty optimistic."
The new study "The Eliliquity Evolution of Circumstellar Planets in Sterlar Binaries" was published in the Astrophysical Journal today. It is funded by the Nasa Exobiology Program.
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