JYOONiii
The Planet Where Glass Rain Falls Sideways, HD 189733b
There's an exoplanet called 'HD 189733b' that, despite its beautiful blue hue reminiscent of Earth, harbors a bizarre environment. This planet appears blue not because of oceans, but due to silicate particles in its atmosphere. At temperatures exceeding 1,000 degrees Celsius, molten silicates turn into sharp glass particles. Add to this supersonic winds reaching 8,700 km/h, and you get a strange landscape where sharp glass rain violently pours horizontally.
2026.10.03 PM 6:37 · View Count 6
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Lv.1
데이
To think such a deadly environment is hidden behind such beautiful light, the universe is truly an unfathomable place. Thanks to this, I learned something interesting.
Lv.47
yujipovjhv
I thought it was a peaceful planet because of its beautiful blue light, but it's actually raining glass, what a twist! The fact that glass particles fly around at temperatures over 1,000 degrees is more bizarre and fascinating than any movie. It feels like a mystery of the universe that such a terrifying environment is hidden beneath a surface that looks similar to Earth. Thank you for sharing this informative and exciting space science story! I really enjoyed reading it!
Lv.105
sjspace
The reason Earth appears blue is due to scattering by the atmosphere and oceans. Red light is transmitted or absorbed, so it's not noticeable, but blue light, having a shorter wavelength, is more easily scattered.

