The discovery could change the way astronomers measure the ages of stars in the Milky Way, and means previous estimates could be off by as much as a billion years.
. This research implies that this end could be more protracted than previously believed.
A side by side comparison of the globular cluster M13 and M3 . Astronomers have found that despite having many similarities, the stars that will become white dwarfs in the former burn hotter than those in the latter.This tells astronomers that this population of stars in M13 is hotter than those in M3 and, as age is related to temperature, it means that comparing both clusters is a great way to measure aging in white dwarfs.
Chen and her team's findings could change the way in which astronomers measure the ages of stars in theas it complicates what had previously been seen as a fairly straightforward relationship between a star's age and its temperature.
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