Planet 9

The Sun Might Have Once Had a Binary Companion Star

A new study from the Harvard Smithsonian Center for Astrophysics has bolstered the case for our Sun having a long-lost…

1 month ago

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,…

4 months ago

More Evidence that Planet 9 is Really Out There

What's going on in the distant reaches of our Solar System? Is there a Planet 9 out there? Out in…

2 years ago

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?…

2 years ago

A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System

Is there or isn't there a Planet 9? Is there a planet way out on the outskirts of our Solar…

2 years ago

Just discovered! “Farout”, the Farthest Object Ever Seen in the Solar System

Astronomers have discovered a distant body that's more than 100 times farther from the Sun than Earth is. Its provisional…

2 years ago

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…

2 years ago

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…

2 years ago

New Study Indicates that Planet 9 Likely Formed in the Solar System

A new study by a team of astronomers from the UK and Switzerland explores how Planet 9 could have ended…

3 years ago

An Astronomical Detective Tale and the Moon of 2007 OR10

It isn't every day we get a new moon added to the list of solar system satellites. The combined observational…

3 years ago