A new planet just round the corner?

• Autores: James Romero
• Localización: New scientist, ISSN 0262-4079, Nº. 3131, 2017, pág. 8
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • THE dark outer reaches of the solar system could be hiding a new planet--the ninth or tenth, depending on who's counting. The as-yet-unconfirmed world, thought to be around the mass of Mars, would explain the wonky orbits of a group of icy objects in a region known as the Kuiper belt. This region starts beyond Neptune and ends at a distance 55 times further from the sun than Earth is, or 55 AU