![[TOP] Example observations of (2060) Chiron for survey/telescopes (left) ATLAS, (middle) ZTF, and (right) LCO/LOOK. [BOTTOM] Example observations of 103P/Hartley 2 for survey/telescopes (left) ATLAS, (middle) ZTF, and (right) LCO/LOOK. -- astro-ph.EP](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/07/Multi-year.png?resize=1200%2C720&ssl=1)
[astro-ph.EP] Comets and Centaurs trace the evolution of trans-Neptunian objects (TNOs) into the inner solar system.
Jupiter-family comet
Posted inAstrogeology, Comets and Asteroids, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Status Report
Enlargement of Depressions on Comet 81P/Wild 2: Constraint Based on 30-year Cometary Activity in the Inner Solar System
Context. The Stardust flyby mission to Jupiter-family comet (JFC) 81P/Wild 2 (hereafter, 81P) captured its dense quasicircular depressions. Nevertheless, the formation mechanism remains a subject of ongoing debate.