Nuzzel News Alert - Astronomers say a Neptune-sized planet lurks beyond Pluto | Science

News Alert

Breaking news from your Nuzzel feed: Astronomers say a Neptune-sized planet lurks beyond Pluto | Science AAAS – Kai Kupferschmidt Jan. 20 – Jan 20 The solar system appears to have a new ninth planet. Today, two scientists announced evidence that a body nearly the size of Neptune—but as yet unseen—orbits the sun every 15,000 years. During the solar system's infancy 4.5 billion… Shared by… 3 More info… More stories…

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