{"id":177014,"date":"2025-11-12T18:23:08","date_gmt":"2025-11-12T18:23:08","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/177014\/"},"modified":"2025-11-12T18:23:08","modified_gmt":"2025-11-12T18:23:08","slug":"scientists-capture-the-wildest-weather-ever-on-a-rogue-planet-and-its-more-chaotic-than-jupiter","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/177014\/","title":{"rendered":"Scientists Capture the Wildest Weather Ever on a Rogue Planet, And It\u2019s More Chaotic Than Jupiter"},"content":{"rendered":"

The James Webb Space Telescope<\/strong> has captured an extraordinary glimpse of weather on a rogue planet 20 light-years from Earth. SIMP 0136<\/strong>, a mysterious brown dwarf, boasts an atmosphere of molten iron clouds and swirling storms more chaotic than anything observed on Jupiter.<\/p>\n

Scientists now have an unprecedented look at the weather patterns of SIMP 0136, a planet that challenges traditional classifications. With a mass 13 times that of Jupiter<\/strong>, it sits at the boundary between a planet and a star, offering valuable insights into atmospheric behavior on similar objects. The research, published in The Astrophysical Journal<\/strong>, marks a breakthrough in using JWST<\/strong> to study the meteorology of exoplanet-like bodies that have no parent star.<\/p>\n

SIMP 0136: A Planet Between Stars and Planets<\/p>\n

SIMP 0136 isn\u2019t just any planet. According to Roman Akhmetshyn<\/a>, an astronomer from McGill University, it is a brown dwarf<\/a><\/strong>\u2014too small to be a star, yet far too massive to be a typical planet. This object, with a mass 13 times that of Jupiter<\/strong>, floats freely through space, far from any star. As a brown dwarf, it shines faintly with its own light, allowing astronomers to study its atmosphere without the interference of a nearby sun.<\/p>\n

Because brown dwarfs like SIMP 0136 do not orbit a star, they present a unique opportunity to study planetary atmospheres in isolation. The James Webb Space Telescope<\/a><\/strong> has provided an ideal tool to examine these objects, offering a direct view of their weather without the glare of a nearby star. <\/p>\n

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A Starless Super Jupiter.
SIMP 0136 is a free floating planet 13 times the size of Jupiter with a bright glow and a fast rotational rate of just 2.4 h per revolution. Located in our own Galaxy only 20 light years away (visible in the Northern sky), SIMP 0136 cannot be considered\u2026 pic.twitter.com\/9Yw7yfNxNl<\/a><\/p>\n

\u2014 Maurizio I\u03b2\u03bb\u1f04 (@Dragonmaurizio) March 3, 2025<\/a><\/p><\/blockquote>\n

Mapping SIMP 0136\u2019s Chaotic Atmosphere<\/p>\n

Using the Near-Infrared Imager and Slitless Spectrograph (NIRISS)<\/a>, the study observed SIMP 0136 during its rapid rotation, which lasts just 2.4 hours<\/strong>. The findings revealed a highly dynamic and layered atmosphere, with at least three distinct layers of clouds and gases. The atmosphere is far from uniform; deeper layers contain molten iron clouds, while the upper layers are made up of grains of forsterite, a mineral also found in Earth\u2019s mantle<\/a>.<\/p>\n

The study, according to Akhmetshyn, shows that the atmosphere of SIMP 0136<\/a> is not static. Cloud formations are constantly shifting, with intense variations in temperature and chemical composition. <\/p>\n

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\u201cWe suspect numerous small-scale patchy clouds of different temperatures and chemistry, scattered across the globe.\u201d<\/p>\n<\/blockquote>\n

The upper atmosphere<\/strong> contains carbon monoxide and water vapor, while lower layers<\/strong> reach temperatures ranging from 1,000 to 1,300 Kelvin<\/strong>, suggesting that the planet\u2019s weather is in a constant state of flux.<\/p>\n

\"AnalysisAnalysis of the CH4 band lightcurve, Fourier modes, and corresponding brightness maps showing atmospheric variations. Credit: The Astrophysical Journal<\/p>\n

Asymmetry and Unpredictable Weather Patterns<\/p>\n

Unlike the symmetrical weather patterns found on Earth<\/a><\/strong> or Jupiter<\/a>, SIMP 0136\u2019s hemispheres show significant differences in cloud distribution and chemical composition. This imbalance suggests the presence of jet streams<\/strong>, vortices<\/strong>, or possibly even banded atmospheric circulation patterns<\/strong>, much like those seen on Jupiter, but on a much more turbulent scale.<\/p>\n

The researchers employed advanced data analysis techniques, such as principal component analysis, to interpret the results. Their conclusion: no single atmospheric model <\/strong>could fully explain the complexity of SIMP 0136\u2019s weather. Instead, multiple models were needed to capture the planet\u2019s dynamic atmosphere, suggesting a level of complexity and turbulence in its weather systems.<\/p>\n

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