The hottest known exoplanet is melting molecules in its atmosphere | Astronomy.com
http://www.astronomy.com/news/2020/01/the-hottest-known-exoplanet-is-melting-molecules-in-its-atmosphere?utm_source=Yesmail&utm_medium=email&utm_campaign=News0_ASY_200207_000000

The dayside of this scorching world is so hot that it splits hydrogen molecules in twain. But don’t worry, they can recombine after migrating to the planet’s cooler nightside.
The dayside of this scorching world is so hot that it splits hydrogen molecules in twain. But don’t worry, they can recombine after migrating to the planet’s cooler nightside.