The Oldest Stars in the Galaxy Just Weighed In on One of Cosmology's Biggest Arguments
2 Articles
2 Articles
The Oldest Stars in the Galaxy Just Weighed In on One of Cosmology's Biggest Arguments
Astronomers have measured the ages of over a hundred and fifty thousand ancient stars scattered across our Galaxy, and found the oldest of them is just the age it should be if the standard picture of the universe is correct. That simple agreement quietly undermines one of the leading attempts to explain a stubborn mystery, and hints that the real answer to the Hubble tension may lie somewhere else entirely.
Recent studies on ancient stars in the Milky Way offer new perspectives on fundamental questions in cosmology, especially regarding the formation and evolution of the universe. These stars, which emerged shortly after the Big Bang, are considered cosmic fossils that can provide valuable information about the early conditions of the cosmos. Context about ancient stars: The oldest stars in the galaxy, known as Population II stars, are formed prima…
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