James Webb Just Revealed the Harsh Truth About Alien Worlds
The James Webb Space Telescope is revealing a harsh reality about alien worlds—most are not like Earth. It has found water vapor in the super-hot atmosphere of WASP-18b, a planet where temperatures reach 5,000°F, yet its dayside shows extreme temperature gradients [citation:4]. Meanwhile, observations of the TRAPPIST-1 system suggest its rocky planets may be bare rocks with no thick atmospheres, making them unlikely to host life as we know it [citation:5]. Even promising worlds like K2-18b, once thought to be a "Hycean" ocean world, are now debated as potentially being volatile-rich…
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