James Webb Space Telescope finds a salty surprise on famous 'Pink Planet'

Astronomers using the James Webb Space Telescope have discovered salt in the atmospheric clouds of the exoplanet GJ504b, also known as the 'Pink Planet.' This planetary-mass companion is one of the coldest objects of its kind ever studied, challenging previous understandings of atmospheric chemistry in space.
Why it matters
This discovery provides new insights into the formation and atmospheric composition of cold, planetary-mass objects, helping scientists better understand the diversity of worlds beyond our solar system.
Exoplanets James Webb Space Telescope finds a salty surprise on famous 'Pink Planet' News By Robert Lea published 18 June 2026 "We realized it was not like anything we have analyzed before."
The article is a straightforward report on scientific findings without political or social commentary.
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