Trilokeshwar Shonku (Bengali: প্রফেসর শঙ্কু) is a fictional scientist and inventor created by Satyajit Ray in a series of Bengali science fiction books of the same name published from 1965 on. He is the central protagonist of the series. Professor Shonku resides in Giridih. His house contains a laboratory, and he lives with his pet cat, Newton, named after Sir Isaac Newton and his man-servant, Prahlad. He was born in the year of 1912 but his year of death is unknown.
Topic: Space travel
Plot: Professor Shonku makes a rocket and goes to Mars. He takes Prahlad, Newton and Bidhushekhar (a robot) with him. In Mars they encounter some terrible creatures. Finally the rocket of Professor Shonku reaches a planet named "Tafa" where low civilized and non-intelligent beings live who were claimed to be intelligent and highly civilized by his robot Bidhushekhar.
Location: Solar system
Source: Wikipedia