Current Statusġ50 years after the theory of the existence of the fabled Planet X, new data strengthens this hypothesis. So there could be many Planet X's out there that are just waiting to be discovered. Planet X is the designation that is given to any planetary object that is theorized as existing but has yet to be discovered.Ĭurrently, there is only one planet that is being theorized about and searched for, but there is still a large amount of distance between Neptune and the edge of our solar system that remains unexplored. So why do they called this hypothetical planet Planet X? The name was a means of symbolizing 'unknown' not a number. Everyone knows that X is the Roman numeral for 10 yet Planet X is referred to as the Ninth Planet.

Many get confused by the name Planet X because its other name is Planet Nine. But this still did not end the search for the fabled Planet X. It was not until years later that Voyager 2 sent back data that showed previous calculations on Neptune's mass was incorrect, that it had more mass than previously thought. However, astronomers were not satisfied with this as Neptune's calculated size did not account for Uranus' resistance to Newton's law, even with the discovery of Pluto did things still not add up. Soon after, Neptune was discovered and was identified as the cause of this odd behavior in Uranus. During the 1840's astronomers, Urbain Le Verrier and John Couch Adams both surmised that Uranus' odd movement could only be caused by the gravitational pull of another large planetary body. It was shortly after the discovery of Uranus that the idea may be hoovering further out in our solar system. One hypothetical path through the sky of Planet X near aphelion (marked green) /

However, this information was lost and the idea of another planet lost with it until the discovery of Uranus. Of course the planet that astronomers are searching for may have a orbital path around the sun of 10 to 20 thousand years as opposed to the Nibiru planet of a little over 3000 years makes it appear to be a different planet than astronomers are theorizing on, many other aspects of the story point to it being the hypothesized Planet X. As they left they said they would one day return when their planet reached within orbit of Earth again.Īlthough this is but myth and legend, the idea that they were knowledgeable about a planet that astronomers over the past 150 years have theorized exist and are searching for is very interesting. According to their legend the planet existed in the far reaches of our solar system and came within range Earth every 3600 years and the close encounter with Earth caused much disruption to their planet. Wrapped in myths and legends they spoke of a people called the Nephilim that visited them when their planet was in range with Earth called Nibiru. The first recordings of Planet X were by the ancient Assyrians. Ancient Sumerian tablet speak of a 10th planet named Nibiru

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