The massive exoplanet TOI-2109b collides with its star and breaks apart. (Image credit: NASA/CXC/M. Weiss)
A giant planet caught in a deadly spiral around its star may lift the veil on some of the mysteries of star systems. However, the fate of this world is not yet finalized: in the future, two death outcomes and one “rebirth” are possible.
The exoplanet in question is TOI-2109b, which is five times more massive than Jupiter and is located about 870 light years from our solar system. The planet orbits so close to its star, TOI-2109, that its year lasts only 16 hours.
These features classify TOI-2109b as an “ultra-hot Jupiter,” a rare class of planet that makes up about 1 in 500 planets out of more than 5,000 worlds in the catalog of known exoplanets. However, TOI-2109b stands out even among these extremely hot planets orbiting stars.
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