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Star Without Iron Inspires Galactic Archaeology

The most metal-poor star ever found is helping astronomers learn about the early universe in which it formed.

Just last month, astronomers announced that the star SDSS J001820.5-093939.2 showed signs of being spawned by early supernovae. As evidence, they noted that it has only 1/300th of the sun’s iron, and a distinctive pattern of deficient odd-numbered elements compared to those next to them on the periodic table.

read more Star Without Iron Inspires Galactic Archaeology | IFLScience.

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This entry was posted on September 27, 2014 by in Astronomy.

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