Work from the DiSCo program (Discovering the Composition of Trans-Neptunian Objects) has uncovered the existence of three ...

Exploration of the outer solar system may be getting a boost from the Vera Rubin Observatory (VRO). When this gigantic telescope opens its eye later in 2025, it begins a decade-long survey of the ever ...

Astronomers have discovered more than 100 new trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system. For the study, published in The Astrophysical Journal ...

Gonggong is a dwarf planet and a member of the scattered disc beyond Neptune. As of 2019, its distance from the Sun is 88 AU, and it is the sixth-farthest known Solar System object.

Given the typical orbit of an observatory about L2, the observational baseline of ~1.5 × 10⁶ km between L2 and Earth results in an instantaneous parallax of ~10″–100″, even for the most distant of ...

They had expected to find that the surfaces of the bodies, known as “trans-Neptunian” objects, were dominated by frozen molecules that are gases or liquids on the surface of Earth, like water, methane ...