News tagged with age determination

Lead hokes the age

Rocks do not lose their memory across Earth history, but their true ages might be distorted: Even under ultra-high temperature metamorphic conditions exceeding 1200°C, zircon retains the lead content accumulated ...

dateApr 06, 2015 in Earth Sciences
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Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such metal-poor stars are (s ...

dateFeb 25, 2013 in Astronomy
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Putting teeth into forensic science

In a large natural disaster, such as the Haitian earthquake earlier this year, or in an unsolved homicide case, knowing the birth date of an individual can guide forensic investigators to the correct identity ...

dateMay 19, 2010 in Analytical Chemistry
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The kinematics of merging galaxies

The unprecedented sensitivity of space telescopes has powered a revolution over the past decade in our understanding of galaxies in the young universe during its first billion years of existence. These primitive ...

dateMay 28, 2015 in Astronomy
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Shining message about the end of the Dark Ages

An international team, including researchers from the Centre for Astronomy of Heidelberg University (ZAH), has discovered three "cosmic Methusalems" from the earliest years of the universe. These unusual stars are about 13 ...

dateMay 28, 2015 in Astronomy
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