Source: ЕSO, O. Hainaut The Institute of Astronomy with National Astronomical Observatory-BAS (IA with NAO) has named the results of the observations of comet 2I/Borisov, also known as C/2019 Q4 (Borisov), scientific achievement of 2021. They were conducted by an international team of scientists with the participation of IA researcher Assoc. Prof. Dr. Galin Borisov . Comet 2I/Borisov was discovered on 30 August 2019 by astronomer Gennady Borisov at the MARGO Observatory, Crimea, and is believed to be the most authentically preserved cosmic object - a sojourner in our solar system, second only to the asteroid 1I/'Oumuamua. The team of astronomers led by Dr. Stefano Bagnulo from the Armagh Observatory, Assoc. Borisov and their colleagues from France, Italy, Spain, the UK and the [...]