رسد refers to the process of monitoring or observing specific phenomena, often used in scientific and research contexts. It involves collecting data and analyzing information to understand trends, behaviors, or changes over time. This practice is essential in fields like meteorology, environmental science, and astronomy. In the context of astronomy, رسد is crucial for tracking celestial bodies and their movements. Observatories utilize advanced instruments to gather data on stars, planets, and other astronomical events. This information helps scientists make predictions and deepen our understanding of the universe.