TOEFL Listening: ETS-TOEFL听力机经 - TASM3P2QAPPO3103P$

What is the lecture mainly about? A. Using the Farnese Atlas to prove one of Hipparchus' theories B. Finding evidence of a star catalog in an ancient statue C. The rediscovery of an ancient method of astronomical calculation D. A theory about the use of star catalogs by ancient astronomers