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Supermassive black hole (SMBH), a black hole more than one hundred thousand times the mass of the Sun. Nearly every large galaxy has a supermassive black hole at its centre. Active galactic nuclei, such as Seyfert galaxies and quasars, are powered by supermassive black holes. The largest
The Fermi Paradox is one of the most puzzling problems about living in our universe. Based on our current understanding of biology and physics, we should
Supermassive black hole (SMBH), a black hole more than one hundred thousand times the mass of the Sun. Nearly every large galaxy has a supermassive black hole at its centre. Active galactic nuclei, such as Seyfert galaxies and quasars, are powered by supermassive black holes. The largest supermassive black hole is in the galaxy cluster Abell 1201 and has a mass thirty billion times that of the Sun. Sagittarius A*, the supermassive black hole at the centre of the Milky Way Galaxy, has a mass four million times that of the Sun. The discovery of supermassive black holes was a
What if asteroids were raw materials for bodies? What if you dismantled all of Jupiter to build us new homes?