Sydney, July 4 (Ians) Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of physicist Albert Einstein’s expanding universe.
Einstein’s general theory of relativity means that we should observe the distant — and hence ancient — universe running much slower than the present day.
However, peering back that far in time has proven elusive. Scientists have now cracked that mystery by using quasars as ‘clocks’. Quasars are the supermassive black holes at the centres of early galaxies.
“Looking back to a time when the universe was just over a billion years old, we see time appearing to flow five times slower,” said lead author Professor Geraint Lewis from the School of Physics and Sydney Institute for Astronomy at the University of Sydney.
“If you were there, in this infant universe, one second would seem like one second — but from our position,...
Einstein’s general theory of relativity means that we should observe the distant — and hence ancient — universe running much slower than the present day.
However, peering back that far in time has proven elusive. Scientists have now cracked that mystery by using quasars as ‘clocks’. Quasars are the supermassive black holes at the centres of early galaxies.
“Looking back to a time when the universe was just over a billion years old, we see time appearing to flow five times slower,” said lead author Professor Geraint Lewis from the School of Physics and Sydney Institute for Astronomy at the University of Sydney.
“If you were there, in this infant universe, one second would seem like one second — but from our position,...
- 7/4/2023
- by Agency News Desk
- GlamSham
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