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Search resuls for: "Sydney Institute for Astronomy"


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A new study found that time appeared to move five times slower in the early days of the universe. Scientists used quasars — enormously bright supermassive black holes — to arrive at their findings. The researchers used quasars — supermassive black holes that feed on gas and are among the brightest known celestial objects — to arrive at their finding. Quasars "are crucial to understanding the early universe," one astronomer said in 2018. Albert Einstein, in his general theory of relativity, predicted that we live in an expanding universe, where time was slower in its early years, and now the researchers in this study observed that.
Persons: Albert Einstein's, , Geraint Lewis, Albert Einstein Organizations: Service, Privacy, CNN, University of Sydney's School of Physics, Sydney Institute for Astronomy
CNN —Scientists have peered into the early days of the universe, when it was about 1 billion years old, and discovered that things moved in slow motion compared with now. Unlocking what happened during the early days of the universe can help scientists tackle the biggest mysteries about its origin, how it evolved and what the future holds. “This expansion of space means that our observations of the early universe should appear to be much slower than time flows today. While very bright, supernovas become much harder to observe at greater distances from Earth, which means that astronomers needed another source that would be visible deeper in the early universe. “What we have done is unravel this firework display, showing that quasars, too, can be used as standard markers of time for the early universe.”
Persons: Albert Einstein’s, , Geraint Lewis, Einstein, ” Lewis, Brendon Brewer Organizations: CNN —, University of Sydney’s School of Physics, Sydney Institute for Astronomy, University of Auckland
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