It’s hot. Seriously hot. Not creeping-into-the-90s-crank-up-the-AC hot: nearly-8,000-degrees-Fahrenheit hot.
KELT-9b is an exoplanet, but its dayside temp beats most stars in our galaxy — and comes close to our sun’s 10,000 degrees. A paper announcing 9b’s discovery, published this week in top science journal Nature, highlights some of the extreme characteristics of both the planet and its host star, KELT-9.
The article continues here.