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Scientists at the University of Arizona's Lunar and Planetary Laboratory (LPL) have determined that an unseen object with a mass somewhere between that of Earth and Mars could be lurking in the Kuiper Belt, a region beyond Neptune filled with thousands of icy asteroids, comets and dwarf planets.
Though no planet-size objects have been spotted in the Kuiper Belt so far, the researchers are optimistic that the Large Synoptic Survey Telescope (LSST), which is currently under construction in Chile, will help find these hidden worlds. "We expect LSST to bring the number of observed KBOs from currently about 2,000 to 40,000," Malhotra said.
"There are a lot more KBOs out there — we just have not seen them yet," Malhotra added. "Some of them are too far and dim even for LSST to spot, but because the telescope will cover the sky much more comprehensively than current surveys, it should be able to detect this object, if it's out there."
NASA’s Voyager 2 spacecraft settled the Planet X question — for a time. When the probe flew past Uranus and Neptune in the 1980s, it gave astronomers better data to revise the masses of the planets. The new data revealed that nothing was pulling on them. Tombaugh finding Pluto where Lowell’s calculations pointed was just a coincidence.
originally posted by: Antipathy17
a reply to: PublicOpinion
This seems telling to me. All that money looking out and we don't even know our solar system. I am not saying it's all wasted but it makes me question what research is relative and what isn't.