It's cloudy with a chance of iron rain at hot, faraway world
March 12, 2020
CAPE CANAVERAL, Fla. (AP) — At one hot, faraway world, it's always cloudy with a chance of iron rain.
That's the otherworldly forecast from Swiss and other European astronomers who have detected clouds full of iron droplets at a hot Jupiterlike planet 390 light-years away.
This mega planet is so hot on the sunny side — 4,350 degrees Fahrenheit (2,400 degrees Celsius) — that iron vaporizes in the atmosphere. The iron likely condenses on the cooler night side of the planet, almost certainly turning into rain.
"Like droplets of metal falling from the sky," said Christophe Lovis of the...