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Scientists used a space telescope James Webb analyze air temperature exoplanet rocky TRAPPIST-1bbrother of the most important candidates for life in the universe.
Unfortunately for their interests, the measurements gave a discouraging result: perhaps the planet does not support a significant atmosphere, a common denominator that it can share with the rest of the planets in the system and which would not allow the development of life as we know it ..
Team Analysis
An ultracold red dwarf is located 40 light years from Earth. TRAPPIST-1. There are seven rocky planets in its orbit.
Of the seven planets, three are planets capable of hosting life, but the planet chosen for analysis was not one of them, but TRAPPIST-1bthe innermost It has an orbital distance of about one-hundredth from Earth and receives about four times as much energy as our planet receives from the Sun. Although as such it is not in the system’s habitable zone, its measurements provide important information about its sister planets and others with similar characteristics.
“This planet is tidally locked, with one side permanently facing the star and the other in permanent darkness,” said CEA’s Pierre-Olivier Lagage, co-author of the paper published in Nature. “If you have an atmosphere to circulate and redistribute heat, the day side will be colder than if there was no atmosphere.”
Via Mid-Infrared Instrument (MIRI) James Webbscientists have estimated the planet’s thermal radiation and determined that the planet’s atmosphere is near zero because it redistributes little or no radiation from the system’s star, other than there is no appreciable uptake of carbon dioxide.
cold exoplanet
It was also found that TRAPPIST-1b on the day side of the planet, the average temperature is 230 degrees below zero.
According to the researchers, one possibility is that the system’s star has destroyed the planet’s atmosphere. TRAPPIST-1b. Being a red dwarf, it has a great propensity for explosions, so it could cause the destruction of not only the atmosphere of this planet, but also TRAPPIST-1 e, 1 f and 1 g, three exoplanets with the potential for life.
The results lead researchers to believe that other systems with exoplanets they may have similar conditions, but their hypotheses are unconvincing: there is still hope of finding life in the universe.
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Source: RPP
I am Ben Stock, a passionate and experienced digital journalist working in the news industry. At the Buna Times, I write articles covering technology developments and related topics. I strive to provide reliable information that my readers can trust. My research skills are top-notch, as well as my ability to craft engaging stories on timely topics with clarity and accuracy.