This view was taken for many years but since Vogt's 1925 paper there has been much research done trying to ascertain exactly what Hipparchus achieved.
Sa pagtingin na ito ay kinuha para sa maraming mga taon ngunit dahil Vogt's 1925 papel doon ay marami research tapos na sinusubukan mong tumyak kung ano mismo ang Hipparchus makakamtan.