Neptune's jump left a weird ring of icy bodies

• Autores: Sarah Scoles
• Localización: New scientist, ISSN 0262-4079, Nº. 3032, 2015, pág. 10
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Billions of years ago, Neptune made one giant leap. This jump left behind a close-knit group of icy objects called the Kuiper belt kernel, 6.5 billion kilometers from the sun, according to a new study. The Kuiper belt is a collection of icy planetesimals that sits beyond Neptune. Astronomers estimate that it has trillions of members, including dwarf planets like Pluto--remnants of the solar system's formation more than 4 billion years ago that have hardly changed since