The True Scale of the Local Bubble... And Why It Was Made by Dead Stars
Enter the serene center of the Local Bubble, a vast cavity of warm, low-density gas spanning hundreds of light-years that encompasses our entire solar system. Sculpted over millions of years by a chain of ancient supernovae, these dying stars swept away interplanetary dust and carved out a quiet, protected cavern within the Milky Way's spiral arms. Surrounded by gentle cosmic shells where new stars slowly ignite, Earth floats peacefully through this ancient celestial sanctuary. Let the calm, timeless protective hush of our cosmic neighborhood clear your thoughts, rocking you softly into a…
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