New research published in Astronomy & Heritage has linked specific, previously enigmatic verses in the Yajurveda to the appearance of a major comet around 2450 BCE. By using high-fidelity orbital simulations, astronomers have matched the Vedic descriptions of a 'celestial banner' with the multi-tail structure of a long-period comet that would have been visible in the constellation of Rohini (Aldebaran) during that era.
The study highlights the extreme precision of Vedic astronomical observation, noting that the texts describe the comet's retrograde motion and its interaction with planetary occultations with remarkable detail. This provides a new scientific benchmark for dating the oral traditions of the Vedic period, suggesting that the foundational astronomical observations were recorded during a time of high cometary activity that left a lasting impact on ancient Indian cosmology and ritual calendars.