Lava planet has hydrogen-rich, active atmosphere

It's 2158, and you're chugging away on your Ph.D. in planetary volcanology from the University of Utopia Planitia on Mars. Graduate students still get paid a sub-living wage, so you've been stuck eating freeze-dried ramen for the past three years. You've completed studying Jupiter's moon Io, but now you have to leave the solar system for a good exoplanet analog. While Io's volcanism is caused by tidal heating, you need an exoplanet whose volcanism is caused by extreme hea...