Thursday 8 January 2015

Researchers succeed in measuring the temperature at the heart of stars

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Researchers have succeeded, for the first time, in measuring the temperature at the heart of certain stars, as well as dating them. In 1926, astrophysicist Sir Arthur Eddington wrote in his work The internal constitution of the stars: “At first sight it would seem that the deep interior of the Sun and stars is less accessible to scientific investigation than any other region of the universe. What appliance can pierce through the outer layers of a star and test the conditions within?” Nearly 90 years later, this question has now gained an answer, thanks to the work of a team of six astrophysicists who have managed to measure the temperature at the heart of specific stars and to estimate their age.

via Science Daily

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