The International Astronomical Union (IAU) has approved the name of M. S. Krishnan, a pioneering Indian geologist, for a 3.5-billion-year-old crater on Mars. The crater lies in a region where evidence of ancient glaciation has been scientifically established. The naming proposal was jointly submitted by Prof. Rajesh V. J. (Department of Earth and Space Sciences, Indian Institute of Space Science and Technology, IIST) and Dr. Asif Iqbal Kakkassery (who was a research scholar under the guidance of Dr. Rajesh V.J.