KELT-9b

KELT-9b is an incredibly hot exoplanet, often referred to as an "ultra-hot Jupiter." It's one of the hottest known exoplanets, with a surface temperature hotter than many stars.  

Here are some key features of KELT-9b:

• Extreme Heat: Due to its proximity to its star, KELT-9b is incredibly hot, with surface temperatures exceeding 4,000 degrees Celsius.  

• Rapid Orbital Period: It orbits its star in just 1.48 days, making it one of the fastest-orbiting planets known.  

• Mass and Size: It's about 2.8 times the mass of Jupiter and nearly twice its size.  

• Atmospheric Escape: The intense heat and radiation from its star are causing KELT-9b to lose mass at a rapid rate.  

KELT-9b is a valuable object for studying the extreme conditions that can exist in exoplanetary systems. It provides insights into the physical processes that shape these exotic worlds.