More than 7 billion miles away from the sun, out on the far reaches of the solar system, astronomers have spotted a planet-like object they've never seen before, and they've nicknamed it Biden.
MORE: http://www.washingtonpost.com/politics/planet-like-object-nicknamed-biden-could-help-explain-solar-systems-origins/2014/03/26/1bb123fa-b52f-11e3-b899-20667de76985_story.html?wprss=rss_politics
