Newfound Cosmic ‘Gateway’ Funnels Small, Icy Objects to the Inner Solar System

Beginning as small, icy bodies on the outskirts of the solar system, comets turn into spectacular streaks of light when they pass through a "gateway" near Jupiter, according to new research. LIVESCIENCE This gateway is a region of space where objects called centaurs — small, icy bodies that orbit between Jupiter and Neptune — start to nudge closer to the sun. As they do so, they heat up and become “active,” primarily releasing a dusty halo of gas — which makes these small bodies, technically...
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