The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme temperature changes the massive 'hot Jupiter'-type planet may make it rain iron at night.

Credit: Space.com | visualizations: NASA, ESA, Quentin Changeat (ESA/STScI), Mahdi Zamani (ESA/Hubble) | edited by Steve Spaleta