TOI-1227 b is one of the youngest transiting exoplanets discovered, alongside K2-33b and HIP 67522 b. The exoplanet TOI-1227 b is about 11±2 million years old and currently 9.6 R🜨 large. From Wikipedia
New X-ray imaging paired with simulations forecasts that the eight-million-year-old planet will lose its atmosphere over the next billion years
