A monster black hole appeared first, then its galaxy began to grow around it
Phys.org • • science
Key Points:
- Using data from the James Webb Space Telescope, astronomers led by Roberto Maiolino have found evidence that a supermassive black hole (SMBH) in the early universe formed before its host galaxy developed.
- The team studied QSO1, a SMBH present about 700 million years after the Big Bang, and found it resides in an environment with extremely low chemical enrichment, indicating minimal prior star formation.
- This near-pristine chemical composition supports the "heavy seed" formation scenario, where SMBHs form already massive through direct collapse or primordial origins, rather than growing within existing galaxies.
- Their findings challenge traditional models limited by the Eddington growth rate and may offer new insights into the origins and rapid formation of SMBHs in the early universe.
