Re: An Interesting Universe
Posted: Thu Oct 24, 2019 11:41 pm
A VERY Old Star!
Bond and his collaborators estimated HD 140283's age to be 14.46 billion years — a significant reduction on the 16 billion previously claimed. That was, however, still more than the age of the universe itself, but the scientists posed a residual uncertainty of 800 million years, which Bond said made the star's age compatible with the age of the universe, even though it wasn't entirely perfect.
65614
https://www.space.com/how-can-a-star-be ... ket-newtab
The mystery of the age of HD 140283 is leading to something bigger and more scientifically complex, altering the understanding of how the universe works. "The most likely explanations for the paradox are some overlooked observational effect and/or something big missing from our understanding of the dynamics of the cosmic expansion," Matthews said. Precisely what that "something" is, is sure to keep astronomers challenged for some time.
Bond and his collaborators estimated HD 140283's age to be 14.46 billion years — a significant reduction on the 16 billion previously claimed. That was, however, still more than the age of the universe itself, but the scientists posed a residual uncertainty of 800 million years, which Bond said made the star's age compatible with the age of the universe, even though it wasn't entirely perfect.
65614
https://www.space.com/how-can-a-star-be ... ket-newtab
The mystery of the age of HD 140283 is leading to something bigger and more scientifically complex, altering the understanding of how the universe works. "The most likely explanations for the paradox are some overlooked observational effect and/or something big missing from our understanding of the dynamics of the cosmic expansion," Matthews said. Precisely what that "something" is, is sure to keep astronomers challenged for some time.