Krishnan Crater (Mars)
1. What happened?
• A 3.5-billion-year-old crater on Mars has been named “Krishnan Crater” by the International Astronomical Union (IAU).
2. Why this name?
• Named after M.S. Krishnan
• Pioneering Indian geologist
• First Indian Director, Geological Society of India
3. What is a crater?
• A circular depression on a planetary surface.
• Usually formed by impact of a meteorite/asteroid.
• Common on Mars, Moon, Mercury.




