James Webb Telescope finds bulge in WASP-17b atmosphere
Astronomers using the James Webb Space Telescope discovered an asymmetrical bulge in the atmosphere of the exoplanet WASP-17b located 1,300 light-years away on October 16, 2026.
New mapping technique reveals distortion
Researchers applied an innovative method called transmission spectroscopy to detect hidden distortions in the planet's gaseous envelope. This approach confirmed that while the overall outline remains circular, one side extends farther outward than the other. The study was jointly led by Cornell University and the University of Bristol.
Winds reshape hot gas giant
Powerful winds redistribute heat across the scorching surface of this distant gas giant. These atmospheric movements cause the observed uneven shape on WASP-17b. The findings were published in the journal Nature Astronomy.
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