À la recherche de planète 9

Ajouter une intrigue dans votre langueAt the edge of our solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. The year there would last more than ten thousand years, so fa... Tout lireAt the edge of our solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. The year there would last more than ten thousand years, so far from the Sun it orbits. Several teams of astronomers, including the Americans Chad Truji... Tout lireAt the edge of our solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. The year there would last more than ten thousand years, so far from the Sun it orbits. Several teams of astronomers, including the Americans Chad Trujillo and Scott Sheppard, are relentlessly tracking down this hypothetical exile. With what ... Tout lire