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The Myth of a Sumerian 12th Planet: Nibiru

The Myth of a Sumerian 12[SUP]th[/SUP] Planet:
“Nibiru” According to the Cuneiform Sources

Michael S. Heiser, Ph.D. candidate
Hebrew Bible and Ancient Semitic Languages, University of Wisconsin-Madison
Those familiar with either the writings of Zecharia Sitchin or the current internet rantings about “the return of Planet X” are likely familiar with the word “nibiru”. According to self-proclaimed ancient languages scholar Zecharia Sitchin, the Sumerians knew of an extra planet beyond Pluto. This extra planet was called Nibiru. Sitchin goes on to claim that Nibiru passes through our solar system every 3600 years. Some believers in Sitchin’s theory contend that Nibiru will return soon – May of 2003 to be exact. These followers of Sitchin’s ideas also refer to Nibiru as “Planet X”, the name given to a planet that is allegedly located within our solar system but beyond Pluto. Adherents to the “returning Planet X hypothesis” believe the return of this wandering planet will bring cataclysmic consequences to earth.[1]
Is Sitchin correct – Is Nibiru a 12[SUP]th[/SUP] planet that passes through our solar system every 3600 years? Did the Sumerians know this?[2] Are those who equate Sitchin’s Nibiru with Planet X correct in this view? Unfortunately for Sitchin and his followers, the answer to each of these questions is no.
This paper will address these questions in the course of five discussion sections:

  • Overview of the scholarship on Nibiru
  • How often and where does the word “nibiru” occur in cuneiform texts? What does the word mean, and is there an astronomical context for the word in any of its occurrences?
  • What are the cuneiform astronomical sources for our knowledge of ancient Mesopotamian astronomy? What do those sources tell us about Nibiru? (addressed in the PDF file)
  • If Nibiru is not a 12[SUP]th[/SUP] planet (and hence not Planet X), what is it? (addressed in the PDF file)
Section One: Previous scholarly work on Nibiru
While scholarly material on cuneiform astronomy is fairly abundant, specific treatments of Nibiru are rare. The last treatment of Nibiru in a journal article in the English language was in 1961, and was co-authored by the great Sumerian scholar Benno Landsberger, editor of the Sumero-Akkadian lexical lists I reference on my website in conjunction with Zecharia Sitchin’s abuse of Sumero-Akkadian vocabulary.[3] An earlier article in German (1936) dealt directly with the subject, and a recent German article (1990) does likewise.[4] All of these articles were written well after the cuneiform documents / tablets that mention Nibiru as an astronomical body were known, and hence the authors had access to all the pertinent texts. Other works dealt with Nibiru (see below for sources and footnotes), but only in passing, as their focus was Babylonian astronomy in general. What you are reading in this present paper is an attempt to synthesize this material and account for all references to Nibiru in cuneiform tablets with an attempt to discern what exactly Nibiru is.
One of the more important sources for cuneiform astronomy that mentions Nibiru is MUL.APIN ("The Plough Star"):

Section Two: How often and where does the word “nibiru” occur in cuneiform texts? What does the word mean, and is there an astronomical context for the word in any of its occurrences?
Fortunately for scholars and other interested parties, the work of the studies above and the editors of the monumental Chicago Assyrian Dictionary (= CAD hereafter) have located and compiled all the places where the word “nibiru” and related forms of that word occur in extant tablets. A look at the CAD entry (volume “N-2”, pp. 145-147) tells us immediately that the word has a variety of meanings, all related to the idea of “crossing” or being some sort of “crossing marker” or “crossing point”. In only a minority of cases (those references in astronomical texts) does the word relate to an astronomical body. Below is a brief overview of the word’s meanings outside our immediate interest, followed by specific meanings and references in the astronomical texts.
General Meanings of Occurrences Outside Astronomical Texts
Word meaning, of course, is determined by context. “Nibiru” (more technically and properly transliterated as “neberu”[5]) can mean several things. I have underlined the form of nibiru for the reader:
“place of crossing” or “crossing fee” – In the Gilgamesh epic,[6] for example, we read the line (remarkably similar to one of the beatitudes in the sermon on the Mount): “Straight is the crossing point (nibiru; a gateway), and narrow is the way that leads to it.” A geographical name in one Sumero-Akkadian text, a village, is named “Ne-bar-ti-Ash-shur” (“Crossing Point of Asshur”). Another text dealing with the fees for a boatman who ferries people across the water notes that the passenger paid “shiqil kaspum sha ne-bi-ri-tim” (“silver for the crossing fees”).
“ferry, ford”; “ferry boat”; “(act of) ferrying” – For example, one Akkadian text refers to a military enemy, the Arameans: “A-ra-mu nakirma bab ni-bi-ri sha GN itsbat”[7] (“The Arameans were defiant and took up a position at the entrance to the ford [gate, crossing point]”). In another, the Elamites are said to “ina ID Abani ni-bi-ru u-cha-du-u” (“[to] have cut off the ford [bridge, crossing way] of the river Abani”).
I think the “root idea” of the nibiru word group and its forms as meaning something with respect to “crossing” is clear, and so we’ll move on.[8]
Nibiru as Referring to an Astronomical Body

The following chart represents a complete listing of the word “nibiru” in astronomical texts and/or astronomical contexts. If one wants to know what Nibiru as an astronomical body is - according to the Mesopotamians - one is dependent on these texts, unless, like Zecharia Sitchin, one makes up meanings to prop up a theory. One either lets the texts tell you what Nibiru is, or one willfully ignores the scribes in favor of Sitchin. I have, in these cases, given (a) the Mesopotamian text where the word occurs; (b) a Sumero-Akkadian transliteration; (c) a brief translation; (d) the page references to English translations of the Mesopotamian text in which the word occurs, so the reader can check the context and study further. (Note as well that in Section Three I discuss each occurrence in more detail and in context). In the following chart, several features of Sumerian-Akkadian transliteration[9] bear explaining - and they are important:

  • superscripted “d” = the cuneiform sign for “god” (Dingir), and so “neberu” may refer to a god (recall that Sumerians and Mesopotamians associated heavenly bodies with deities)
  • superscripted “MUL” = the cuneiform sign for “star” (and so “neberu” is a star – the texts tell us this point blank)
  • subscripted numbers = the numerical reference number for Sumerian signs that can stand for more than one syllable. This is a scholarly convention for keeping such overlapping signs distinct so the texts can be read accurately.
At the risk of some redundancy, you will notice quickly that Nibiru is preceded by both “d” and “MUL”, and so is referred to as a deity and a star. As Sitchin himself notes on various occasions (and this is common knowledge to ancient near eastern scholars), ancient people often identified the stars or planets as gods, as though the stars were deified beings. This is one reason why even in the Old Testament the sons of God are referred to as stars (cf. Job 38:7-8). In the texts that follow, Nibiru was regarded as a planet (specifically, Jupiter, but once as Mercury), a god (specifically, Marduk), and a star (distinguished from Jupiter).
If you’re confused, you aren’t alone. This tri-fold (fourfold if you count Mercury) designation for Nibiru is why scholars of cuneiform astronomy have not been able to determine with certainty what exactly Nibiru is. We’ll go into the problem more in later sections. One thing is certain from the texts, though: Nibiru is NEVER identified as a planet beyond Pluto.
The chart below is a scanned page of the larger PDF paper available on my website. The scan is naturally not as good in terms of quality as a PDF, but it's readable. English translation sources are also more complete in the PDF.

Again, the Sumero-Akkadian cuneiform texts present a confusing portrait of Nibiru. How can something represent a "crossing" or "dividing" point and be a star, a god, and either Jupiter [Marduk] or Mercury or BOTH? Again, the more detailed PDF file tries to answer this question in a manner consistent with the actual texts. The texts are considered there in much greater detail.

[1] It is important to note that Sitchin himself does not claim that Nibiru is Planet X or that Nibiru is returning this spring (May 2003).

[2] For readers who are familiar with Sitchin’s use of cylinder seal VA 243 as a defense for Sumerian knowledge of 12 planets, see the webpageon my website devoted to this error and the accompanying PDF file.

[3] The article is B. Landsberger and J.V. Kinnier Wilson, “The Fifth Tablet of Enuma Elish,” Journal of Near Eastern Studies 20 (1961): 172ff. This is the scholarly journal of Near Eastern studies produced by the University of Chicago’s Oriental Institute. The Sumero-Akkadian lexical lists (cuneiform bilingual dictionaries) are referenced on my website in the discussion of Sitchin’s idea that words like shamu refer to rocket ships. The Mesopotamian scribes tell us what these words mean in their own dictionaries (and Landsberger was the scholar who compiled these lists in a multi-volume work [in German]).

[4] A. Schott, “Marduk und sein Stern” (“Marduk and his Star”), Zeitschrift fur Assyriologie 43 (1936): 124-145; Johannes Koch, “Der Mardukstern Neberu” (“Marduk’s star Nibiru”), Welt und Orients 22 (1990): 48-72.

[5] For the most part in this paper I have not used the standard scholarly transliteration font with diacritical marks. I have instead tried to spell Akkadian words phonetically for readers. An exception would be the chart of Nibiru references below.



Planete Nibiru sollte schon 2012 kommen nix da das ist auch wieder so ein Humbug mag sein das es einen Wandernden Planeten gibt sogar die Nasa hat glaub ich eins Entdeckt aber für die Erde ist der Planete nicht gefährlich da es weit weg ist.


wer die wahrheit wissen will,der soll sich mal in superzeitlupe die szene aus matrix teil 1 ansehen.ich mein die szene wo neo erwacht,und aus dem behälter voller schleim herauskommt.achtet auf die linke hand.in einem bruchteil der sekunde erkennt ihr was.gruss oliver



Given that this is the English forum section, I'll take the liberty to answer in English. Nibiru, as is clearly defined as Jupiter in the Mul Apin astrological tablets, should not be confused with any object or star or whatever supposed to destroy the earth. Nobody says that it will, and in spite of the fact that the Maya Long Count calendar ended in the year 2012 of the Gregorian calendar, nobody has ever said that the end of the world will be nigh in 2012. A book I could recommend for those who are really interested in Maya culture and believings is the following one. "Coe, Michael and Houston, Stephen. The Maya. Thames and Hudson, 9/2015".