Tiny Worlds Discovered by Hubble and Webb
NASA Goddard (JWST)
Let’s go, G.N.O.!! Ope, we mean TNO… you know, Trans-Neptunian Objects? Scientists used Hubble and Webb to study some of the most far-flung bodies in our solar system, Trans-Neptunian Objects (TNOs). They unexpectedly found that the number and colors of these objects followed the same relationships as their larger family members. TNOs are typically small, faint, icy bodies orbiting the Sun beyond the orbit of Neptune.They offer the best view into an early stage of planet-building, when a disk of dust and pebbles in orbit around the Sun coalesced into city-sized “planetesimals,” but had not yet merged into full-sized planets. Beyond Neptune, this second stage never happened, leaving behind a frozen population of planetesimals. Prior to these observations, researchers thought that TNO popula
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