KMT-2021-BLG-1391L b is a fascinating exoplanet discovered in 2022 thanks to the clever technique of microlensing, which uses the gravitational bending of light to reveal hidden worlds. This intriguing planet orbits the star KMT-2021-BLG-1391L, and its discovery was made possible by the impressive KMTNet, equipped with an 18k Mosaic CCD camera, peering from our own ground-based observatories. While not much is known about its exact distance or conditions, KMT-2021-BLG-1391L b invites us to imagine a mysterious world lurking light-years away, glimpsed briefly through a celestial magnifying glass. Its discovery is a stellar reminder that even in the vastness of space, tiny cosmic alignments can uncover new planets to marvel at!
