Artist’s impression of the night side of WASP-76b (ESO/M. Kornmesser)
Iron rain falls on ultra-hot giant exoplanet
A gas-giant exoplanet orbits so close to its star that liquid iron might rain in its skies. Astronomers glimpsed the tell-tale signal of gaseous iron in the spectrum of light observable at the boundary where day turns to night. Where night turns to morning, the signal is gone — hinting that the iron condenses into rainfall at night.
New Scientist | 2 min readReference: Nature paper
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