Although Hipparchus's treatise On sizes and distances has not survived details given by Ptolemy, Pappus, and others allow us to reconstruct his methods and results.
Kahit Hipparchus's treatise Sa laki at distances ay hindi survived mga detalye na ibinigay ng Ptolemy, papus, at iba payagan sa amin upang buuin muli ang kanyang mga pamamaraan at mga resulta.