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4 days ago · Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average ...
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth. These ETNOs tend to make ...
4 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 high.
Aug 31, 2021 · A new study's "treasure map" suggests that a planet several times more massive than Earth could be hiding in our solar system, camouflaged by the bright strip of stars that make up the Milky...
Apr 30, 2024 · — Elusive Planet 9 could be surrounded by hot moons, and that's how we'd find it — Renowned string theorist proposes new way to hunt our solar system's mysterious 'Planet 9'
Apr 15, 2024 · Astronomers leading the search for the potential planet orbiting our sun far beyond Neptune recently revealed that they’ve whittled away at where it might be in the sky, eliminating 78 percent ...
Mar 1, 2024 · In February, researchers announced they had narrowed the search field for a hypothetical ninth planet beyond Neptune by nearly 80%, raising hopes that astronomers might soon solve this mystery. GBH's All Things Considered host Arun Rath spoke about the search for unidentified planets in our own solar system with Matthew Holman, an ...
