Astronomers use colors of trans-Neptunian objects to track ancient stellar flyby
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: This artist's illustration shows two trans-Neptunian objects in the distant reaches of the solar system. New research examines how a stellar flyby in the early solar system set TNOs on their unusual orbits. Credit: Southwest Research Institute Trans-Neptunian objects (TNO) are some of our solar system's lesser-known