Chuva de vidro e ventos supersônicos: o clima extremo do exoplaneta HD 189733b

本站添加: 2026-05-21

[00:00:00]Hold your breath now, because on the exoplanet HD 18973B, a hot Jupiter about 64 light-years away, supersonic bursts exceeding 7,000 to 1,000 km/h sweep across a bluish atmosphere rich in silicate aerosols, where the condensation of tiny grains forms a horizontally blown glass rain, a meteorological inferno deduced by spectroscopy and Doppler measurements, revealing the silicate signature and subtle changes in brightness during the transit, proving that on certain worlds the climate acts like cosmic sandpaper. capable of blasting away anything that dares to cross the sky.