Spectacular One of the hottest planets known || You never seen it before KELT-9 b, one of the hottest planets known. Observations from NASA's Transiting Exoplanet Survey Satellite (TESS) have revealed new details about the planet’s environment. The planet follows a close, polar orbit around a squashed star with different surface temperatures, factors that make peculiar seasons for KELT-9 b. Credit: NASA's Goddard Space Flight Center | Bongo Abhijan