Which celestial observation was crucial for predicting the annual flooding of the Nile River in Ancient Egypt?
Answer
The rising of the star Sirius.
The annual agricultural cycle and the necessary prediction of the Nile's flooding in Egypt were tied directly to the heliacal rising of the star Sirius, signaling the start of their new year.
Related Questions
What was the original dependable clock available to early civilizations for tracking time?What made tracking planets more challenging than tracking fixed stars for naked-eye observers?What purpose did simple constructions like sighting sticks primarily serve?What celestial event was a critical marker for many agricultural societies regarding planting and harvesting?Which celestial observation was crucial for predicting the annual flooding of the Nile River in Ancient Egypt?Which specific planet did the Maya meticulously track with incredible accuracy as part of their sophisticated timekeeping?What was the primary astronomical interest in Mesopotamia (Sumerians, Babylonians, Assyrians)?What celestial events are the main axis of Stonehenge aligned to mark?What distinguished the philosophical shift in early Greek astronomy compared to earlier traditions?What mathematical refinement was introduced by Greek astronomers to reconcile observed wandering motion with the idea of perfect circular orbits?What was the fundamental premise of the geocentric model proposed by philosophers like Aristotle?Ptolemy's formalized model, detailed in the *Almagest*, became authoritative for over a millennium primarily because of what quality?