planet x
There’s One Last Place Planet 9 Could Be Hiding
A recently submitted study to The Astronomical Journal continues to search for the elusive Planet Nine (also called Planet X),…
There Could Be Captured Planets in the Oort Cloud
The early Solar System was a turbulent and chaotic place with icy material hurled far from the Sun, becoming the…
Maybe the Elusive Planet 9 Doesn’t Exist After All
Oh Planet Nine, when will you stop toying with us? Whether you call it Planet Nine, Planet X, the Perturber,…
The Record for the Most Distant Object in the Solar System has been Shattered. Introducing FarFarOut at 140 Astronomical Units
Remember Far Out, the distant planet at the far reaches of the Solar System, that was discovered in December, 2018?…
New Dwarf Planet Found in the Outskirts of the Solar System, Giving Astronomers More Ammunition to Search for Evidence of Planet 9
Astronomers have found a new dwarf planet way out beyond Pluto that never gets closer than 65 AUs to the…
It Might Not be Planet 9 Causing Disruptions in the Kuiper Belt, Just the Collective Gravity of Everything Out There
According to a new study by a team from CU Boulder, Planet 9 may not be necessary to explain the…
What are the Chances that the Next Generation LSST Could Find New Planets in the Solar System?
In a new study led by the Lowell Observatory, a team of researchers indicate how the next-generation Large Synoptic Survey…
Is Planet X Linked to Mass Extinctions?
Two researchers believe that the hypothetical "Planet Nine" may be responsible for cyclic extinctions seen in the biological record.
Astronomers Find Theoretical Evidence for Distant Gas Giant Planet in Our Solar System
The astronomer known worldwide for vigorously promoting the demotion of Pluto from its decades long perch as the 9th Planet,…
Weekly Space Hangout – Dec. 11, 2015: Carolyn Collins Petersen
In this week's episode of the Weekly Space Hangout, we're joined by Carolyn Collins Petersen, aka "The Space Writer". We…