mercoledì 26 marzo 2014

NYT Science: A New Planetoid Reported in Far Reaches of Solar System

A New Planetoid Reported in Far Reaches of Solar System
By KENNETH CHANG

Astronomers say they’ve discovered a second icy world similar to the planetoid Sedna, a finding that hints at the existence of a rogue planet.

Published: March 27, 2014 at 4:00AM

via NYT Science http://ift.tt/1o1FVb3