Familiar Kerala names like Thumba, Varkala, Periyar, Valiamala, and Bekal are no longer just cities of India, but they now grace craters and valleys on Mars, approved by the International Astronomical Union (IAU).
A 3.5-billion-year-old crater in Mar…
Periyar, Thumba, Varkala not just cities in Kerala but now craters on Mars
