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Eris (minor-planet designation: 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. [22] It is a trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory–based team led by Mike Brown and verified later that year.
Some may have escaped the Solar System altogether to become free-floating planets, whereas others would be orbiting in a halo around the Solar System, with orbital periods of millions of years. This halo would lie at between 1,000 and 10,000 AU (150 and 1,500 billion km; 93 and 930 billion mi) from the Sun, or between a third and a thirtieth ...
In the distant future, the Solar System is a ravaged battlefield, and mighty starship armadas are the tools of our destruction. Using a previously unknown tenth planet orbiting the Solar System as its staging ground, an alien force plans on conquering Earth and destroying anything that gets in its way.
Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...
Believers in Planet X/Nibiru have given it many names since it was first proposed. All are, in fact, names for other real, hypothetical or imaginary Solar System objects that bear little resemblance either to the planet described by Lieder or to Nibiru as described by Sitchin.
The "tenth planet" in the title makes reference to a fictional lost planet in Earth's Solar System; at the time of production, the Solar System was generally held to consist of nine planets, prior to the redesignation of Pluto as a minor planet. [1] The Tenth Planet is an incomplete Doctor Who serial – one of many serials that were affected ...
The Tenth Planet, a. k. a. Days of Creation, a 1944 Captain Future novel by Joseph Samachson under the house name Brett Sterling; The Tenth Planet, a 1973 novel by Edmund Cooper; The Tenth Planet, a 1984 novel by Leo Melamed; The Tenth Planet, a 1999 novel by Dean Wesley Smith and Kristine Kathryn Rusch, the first installment in a trilogy of novels
Hyperion, a large distant 10th planet theorized in 2000 to have had an effect on Kuiper Belt formation. [4] Tyche, a hypothetical planet in the Oort Cloud supposedly responsible for producing the statistical excess in long period comets in a band. [5] Results from the WISE telescope survey in 2014 have ruled it out. [6] [7] [8]