As Astronomy is the oldest in the Natural Sciences, it is not uncommon for many people today to dream of traveling to Mars which is on average 65 million kilometers from my beloved blue planet with the aim of installing a human colony. There’s talk of having a million earths on the red planet. As an admirer and amateur of our immense universe I wanted to analyze this attractive proposal from my scientific point of view given my profession as a geologist obtained from the Faculty of Physical Sciences and Mathematics of the University of Chile where several of our most outstanding astronomers have trained.
