The True Scale of the Local Bubble... And Why It Was Made by Dead Stars
Close your eyes and drift into the vast, silent cavity of the Local Bubble, a thousand-light-year-wide void carved by the explosive deaths of ancient stars. A quiet journey into a cosmic graveyard that gave birth to new worlds. Around 14 million years ago, a chain of massive stars exploded in supernovae, sweeping the interstellar medium outward and creating a distorted bubble in space. The expanding shell compressed gas and dust, triggering a wave of new star formation—nearly every star-forming cloud near the Sun lies at its edge. Our solar system has only been a resident for the last 5…
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