Caltech Researchers Find Evidence of a Real Ninth Planet
2024年11月13日 · 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 ...
The Case Strengthens for Planet 9 | News | Astrobiology
2024年11月13日 · 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.
Planet Nine - Wikipedia
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [2][4] 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 i.e. over 250 astronomic...
Planet 9: Inside the search for a hidden planet in our solar ...
2024年11月5日 · Astronomers have been searching the Kuiper Belt for a hidden planet for more than a decade. Though this potential ninth planet has never been seen directly, its existence is supported by...
New evidence for Planet 9 at the fringes of our solar system
2024年5月19日 · 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 and Southwest Research...
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 evidence for an undiscovered ninth planet in our solar system
2024年3月1日 · The evidence for an undiscovered ninth planet in our solar system. Listen • 8:19. All Things Considered. An artist’s rendering of the theorized Planet Nine, back towards the sun. The planet is thought to be gaseous, similar to Uranus and Neptune. Hypothetical lightning lights up the night side.