Science

The Illuminating Power of Eclipses

Hipparchus, the Greek astronomer and mathematician who lived more than 2,000 years ago, used the solar eclipse to solve a celestial geometry problem.  He was among the earliest scholars to take advantage of eclipses for science. In more recent centuries, scientists have used these celestial events as opportunities to study the solar system, especially the sun itself. Usually, the sun is too bright for scientists to see anything in its immediate vicinity.  Only during eclipses does its radiant halo, the corona, become visible.

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