Discovery of the first-ever interstellar comet, named 2I/Borisov. In August 2019, Crimean amateur astronomer Gennady Borisov observed an object in the night sky that appeared to be from another solar system. Subsequent observations confirmed this object – now designated 2I/Borisov – was indeed a comet and the first confirmed interstellar visitor to our solar system. 2I/Borisov’s discovery provided scientists with an unparalleled opportunity to study … Continue reading Discovery of the first-ever interstellar comet, named 2I/Borisov