'Fossilized' Bubble 10,000 Times the Size of the Milky Way Could Be a Relic from the Big Bang
Astronomers have spotted a gigantic void they believe to be a baryon acoustic oscillation — a relic from when the universe was a fiery plasma soup
!['Fossilized' Bubble 10,000 Times the Size of the Milky Way Could Be a Relic from the Big Bang](https://static.scientificamerican.com/sciam/cache/file/29D526D5-A97C-481B-81366415C0FADEE0_source.jpg?#)
Astronomers have spotted a gigantic void they believe to be a baryon acoustic oscillation — a relic from when the universe was a fiery plasma soup
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