(The Gist of Science Reporter) First Direct Evidence of White Dwarf Stars [JANUARY-2020]

(The Gist of Science Reporter) First Direct Evidence of White Dwarf Stars [JANUARY-2020]

First Direct Evidence of White Dwarf Stars

• For the first time, astronomers at Warwick University found direct evidence of white dwarf stars solidifying into crystals.
• They also observed that the sky is filled with white dwarf stars, out of which the oldest is almost completely crystallized.
• White dwarf stars are some of the oldest stellar objects in the universe and are very useful to astronomers as their predictable life cycle allows them to be used as cosmic clocks to estimate the age of groups of neighbouring stars to a high degree of accuracy.
• The study was published in Nature.

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Courtesy: Science Reporter