2024-01-11 02:01:00
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11 Jan. 2024 09:01 a.m.
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Over the past 2–3 decades Detailed observations with telescopes and spacecraft of neighboring planets in our solar system. It was evident that their turbulent atmosphere was unstable. It is constantly changing, just like the weather on Earth. Astronomers think that this variation is likely to occur with exoplanets orbiting other stars as well.
Recently, an international team of astronomers revealed that, combining years of observations from the Hubble Space Telescope, Tools of NASA, the United States, and the European Space Agency. compatible with computer modeling This has found evidence of large cyclones and other weathering activity on exoplanets the size of Jupiter. Located 880 light years away, the planet, named WASP-121 b, is an uninhabitable star. The images were taken by Hubble in 2016, 2018, and 2019.
Astronomers found that WASP-121b has a constantly changing atmosphere. It orbits so close to its host star that its orbital period is only 1.27 days. This closeness indicates that the planet is tidally locked, causing the star to always face one side of its host star. In the same way that the Earth’s moon When viewed from Earth, we can only see one side of the moon. Meanwhile, WASP-121b’s daytime temperature approaches 3,450 degrees Fahrenheit. On the side facing the star.
Credit: NASA, ESA, Quentin Changeat (ESA/STScI), Mahdi Zamani (ESA/Hubble)
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