The hottest exoplanet ever found is so infernally hot that it's ripping apart hydrogen molecules in its atmosphere, astronomers have found.
Hottest known exoplanet is so hot, it's tearing its molecules apart : Read more
"Hot Jupiters" are massive gas giants that orbit so close to their stars that they are too hot to sustain life. One such planet, KELT-9b, is an ultrahot Jupiter that resides 670 light-years from Earth. It weighs about three times the mass of Jupiter and boasts surface temperatures of 7,800 degrees Fahrenheit (4,300 degrees Celsius). This makes KELT-9b the hottest exoplanet so far discovered. It's even hotter than some stars."
My observation. Interesting hot (extremely) hot jupiter here. Some more information can be found at this report too,
TESS's View of KELT-9 b and MASCARA-4 b: Ultra-Short-Period Jupiters in Polar Orbits "Both planets orbit A-type stars with periods less than three days, making their equilibrium temperatures hotter than the average M-dwarf. Both planet orbits are inclined by ~90 degrees as measured via Doppler tomography, placing them perpendicular to their host stars' rotation planes."
In 1943, Scientific American published this about life on Mars and habitable worlds in the galaxy. “If, as appears to be probable, vegetation exists on Mars, life has developed on two out of the three planets in our system where it has any chance to do so. With this as a guide, it appears now to be probable that the whole number of inhabited worlds within the Galaxy is considerable.",
Beings That Are Smarter Than Humans Inhabit the Galaxy
KELT-9 b is a good example of just how *habitable* some exoplanets are compared to our Earth. So far, none of the more than 4,000 confirmed exoplanets are known to have life on them.
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