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March 27, 2015

Homework Help: Cosmology

Posted by qwerty on Wednesday, January 16, 2013 at 12:14am.

Which of these is NOT a good estimate of the age of the universe?

* Decay times of 238U and 232Th in metal-poor stars.

* Isochrone fits for globular clusters.

* Ages of the faintest white dwarfs.

* Ages of the hottest main-sequence stars in distant galaxies.

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