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See all on WikipediaPlanet X (disambiguation) | Wikipedia
Planet X, a disproved hypothetical planet proposed in 1906 by Percival Lowell to have existed beyond the planet Neptune. Colloquially, and by extension, any hypothetical trans-Neptunian planet, in particular Planet Nine. See more
• Planet X (Derek Sherinian album), 1999
• Planet X (Helios Creed album), 1994
• Planet-X, an album by bassist Jimmy Johnson
• Planet X (band), a progressive metal band founded by Derek Sherinian See more• Nibiru cataclysm, a supposed impending disastrous encounter between Earth and a large astronomical object
• Operation Planet X, a military operation during the Iraq War … See moreWikipedia text under CC-BY-SA license Planets beyond Neptune | Wikipedia
In 1894, with the help of William Pickering, Percival Lowell (a wealthy Bostonian) founded the Lowell Observatory in Flagstaff, Arizona. In 1906, convinced he could resolve the conundrum of Uranus's orbit, he began an extensive project to search for a trans-Neptunian planet, which he named Planet X, a name previously used by Gabriel Dallet. The X in the name represents an unknown …
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Nibiru cataclysm | Wikipedia
WEBt. e. The Nibiru cataclysm is a supposed disastrous encounter between Earth and a large planetary object (either a collision or a near-miss) that certain groups believed would take place in the early 21st century. …
Hypothetical Planet X | NASA Science
WEBJan 20, 2015 · This hypothetical Neptune-sized planet orbits our Sun in a highly elongated orbit far beyond Pluto. The object, which the researchers have nicknamed "Planet Nine," could have a mass about 10 times that …
The Case Strengthens for Planet 9 | News | Astrobiology
WEB3 days ago · Some call the potential celestial object Planet X and some call it Planet 9 — as in, the ninth planet in our solar system now that Pluto has been demoted to a dwarf planet. But by any name, the interest is clearly …
In Depth | Hypothetical Planet X | NASA Solar System Exploration
WEBJan 20, 2015 · This hypothetical Neptune-sized planet orbits our Sun in a highly elongated orbit far beyond Pluto. The object, which the researchers have nicknamed "Planet Nine," …
A Brief History of the Hunt for Planet X | Smithsonian
WEBDec 15, 2015 · Learn about the long and legitimate search for planets in the solar system's fringe, from Neptune to Pluto to Gna. Find out why some astronomers are skeptical of …
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New Wrinkles in the Search for “Planet X” | Sky
WEBAre astronomers being misled about a possible ninth planet by the quirky alignment of orbits that they’re finding in the distant Kuiper Belt?
Is Planet X/Planet Nine real? | The Planetary Society
WEBApr 2, 2024 · In the early years of the search, the mystery world was known as Planet X. In the new millennium, the hunt for a ninth planet was renewed, this time under the name …
New object beyond Pluto hints at mysterious 'Planet X'
WEBOct 2, 2018 · The web page reports the discovery of 2015 TG387, a small, icy body that orbits far from the sun and may be influenced by an unseen Planet X. It also explains the search for Planet X and the possible …
