The question as to whether there is life on Mars that is related to life on Earth has now been very muddied, because we now know, from Mars meteorites that have made it to Earth, that there's material that can be exchanged between those two planets.
La pregunta de si la vida en Marte se relaciona con la vida en la Tierra ha sido enredada, porque ahora sabemos, de meteoritos marcianos que han alcanzando la Tierra, que existe material que puede intercambiarse entre ambos planetas.