Sedna

A Stellar Flyby Jumbled Up the Outer Solar System

An ancient passerby may have visited the Sun and inadvertently helped shape the Solar System into what it is today.…

2 months ago

JWST Observes the Kuiper Belt: Sedna, Gonggong, and Quaoar

Using data acquired by the JWST, an international team of planetary scientists have revealed new insights about some of the…

1 year ago

2029 Will be the Perfect Year to Launch a Mission to Sedna

Object 90377 Sedna - a distant trans-Neptunian object known best for its highly elliptical, 11,390-year long orbit - is currently…

3 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…

6 years ago

Kuiper Belt Objects Point The Way To Planet 9

A new study from the Lunar and Planetary Laboratory has indicated that the extreme eccentricity of distant KBOs could point…

9 years ago

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,…

9 years ago

10 Interesting Facts About Neptune

Here are ten of the more interesting facts about the gas/ice giant known as Neptune. Some you may know, others…

9 years ago

New Dwarf Planet is Most Distant Object Yet Observed in our Solar System

It has been estimated that there may be hundreds of dwarf planets in the Kuiper belt and Oort Cloud of…

9 years ago

The (Possible) Dwarf Planet 2007 OR10

Within the Kuiper Belt lies the possible dwarf planet 2007 OR10, one of many objects that has forced astronomers to…

9 years ago

The Dwarf Planet Sedna

There has been quite a bit of buzz about dwarf planets lately. Ever since the discovery of Eris in 2005,…

9 years ago