Planet 9: Inside the search for a hidden planet in our solar ...
2 天之前 · An artist's concept illustrates the theorized Planet Nine, which Batygin and Brown believe to be five to seven times the mass of Earth. A competing theory proposes the existence of a hidden Kuiper ...
Caltech Researchers Find Evidence of a Real Ninth Planet
2 天之前 · 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 ...
An Astronomer Has Found the Hardest Evidence Yet for the ...
2024年5月1日 · Scientists have been searching for a ninth planet to explain the orbital eccentricities of Uranus and Neptune (and dwarf planets like Sedna and Pluto) for more than a century.
The Case Strengthens for Planet 9 | News | Astrobiology
2 天之前 · 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.
Evidence for Planet 9 found in icy bodies sneaking past Neptune
2024年4月30日 · — 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'
New evidence for Planet 9 at the fringes of our solar system
2024年5月19日 · New evidence for Planet 9. The case is growing that a Neptune-sized planet – Planet 9 – hides deep in the outskirts of our solar system. Researchers from Caltech, Université Côte d’Azur ...
Evidence for 'Planet Nine' lurking on the fringes of the ...
2024年5月23日 · Dr Tucker says many astronomers are sceptical Planet Nine exists. "There's still plenty of people who doubt it," he says. But eight years after Professor Brown and Dr Batygin's first Planet Nine ...