Northwestern University-led astronomers have discovered salty skies surrounding the universe's famous "Pink Planet. " For more than a decade, the ancient, rosy-hazed world kept astronomers guessing. One of the coldest known planetary-mass companions ever directly imaged, the elusive object is to...

Source: [Phys.org](https://phys.org/news/2026-06-famous-pink-planet-harbors-salty.html)

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