Final answer:
The center of scientific inquiry during the Hellenistic era was a combination of various disciplines, including mathematics, astronomy, and philosophy. Greek scientists and philosophers sought to understand the natural world through rational inquiry and observation. They made important discoveries in astronomy and developed methods for charting the stars and tracking their positions.
Step-by-step explanation:
The center of scientific inquiry during the Hellenistic era was a combination of various disciplines, including mathematics, astronomy, and philosophy. Greek scientists and philosophers sought to understand the natural world through rational inquiry and observation, rather than relying on supernatural explanations. They made important discoveries in astronomy, such as determining that the sun was the center of the solar system. Notable scientists of this period include Eratosthenes, who calculated the circumference of the Earth, and Hipparchus, who created the first star charts and system of latitudes and longitudes.