* Ancient Greek Origins: The earliest known devices resembling an astrolabe were developed in Ancient Greece around 2nd century BC.
* Classical Astrolabe: The recognizable astrolabe, as we know it today, was developed in the 2nd century AD by the Greek astronomer Hipparchus.
* Medieval Refinements: Throughout the Middle Ages, Islamic scholars made significant advancements in astrolabe design and use, leading to its widespread adoption in navigation and astronomy.
Therefore, it's more accurate to say the astrolabe emerged and evolved over centuries, starting in the 2nd century BC and continuing through the Middle Ages.
