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Old 04-07-2012, 03:13 AM
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Old 04-06-2018, 03:13 PM
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Default Astronomers use old-time math to measure distance, age of 1 of the oldest objects in the universe
They are some of the most spectacular sights in the sky: globular clusters, tight collections of hundreds of thousands or even millions of stars. Now, using trigonometry, astronomers have accurately measured the distance to one of the oldest in our universe.


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