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All Space Questions thread for week of September 03, 2023

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u/flacao9

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Mysterious Earth-sized planet could be hiding in plain sight in our Solar System

https://www.independent.co.uk/space/mysterious-planet-hiding-solar-system-b2404903.html

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u/Andromeda321

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Black holes keep 'burping up' stars they destroyed years earlier, and astronomers don't know why

https://www.livescience.com/space/black-holes/up-to-half-of-black-holes-that-rip-apart-stars-burp-back-up-stellar-remains-years-later

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