Recent spectroscopic studies of infrared light reflected from the surface of Sedna reveal that it is probably unlike Pluto and Charon since Sedna’s surface does not display evidence for a large amount ...

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt, is helping scientists nail down their respective masses, a new study reports. "Kuiper Belt ...

Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will ...

Delve deeper into Sedna’s hostile environment with temperatures plunging to -400°F, a nearly airless surface, and a red-hued landscape shaped over billions of years. Learn why this distant world could ...

While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune and enter the realm of trans-Neptunian objects (TNOs). Pluto is probably ...

Current research focuses on designing fast trajectories to the trans-Neptunian object (TNO) (90377) Sedna to study the surface and composition from a close range. Studying Sedna from a close distance ...

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 292 Issued at 2200Z on 19 Oct 2023 Chandra X-ray Observatory X_Ray View Of The Galactic Center Want the latest space news?

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that one trip around the Sun takes more than 11,000 years. For much of that time ...

Object 90377 Sedna — a distant trans-Neptunian object known best for its highly elliptical, 11,390-year-long orbit — is currently on its way towards perihelion (its closest approach to the Sun) in ...