The Venus transit of 2004 was a momentous astronomical event that occurred when Venus transited across the face of the Sun, an alignment only seen in pairs with several years apart due to the specific orbital paths of the planets. The transit began on the afternoon of June 8 and lasted approximately six hours, reaching its midpoint around 22:20 UTC. Observers worldwide utilized telescopes and special solar filters to safely observe this transit, generating excitement in the scientific community and among amateur astronomers alike. This particular transit was significant not just due to its rarity but also because it offered a unique opportunity for studying the measurement of the solar distance. The transit was utilized to refine the method of determining the astronomical unit—the distance from the Earth to the Sun—first utilized during similar events in the 18th and 19th centuries. Many organizations, planetariums, and schools organized public viewings and educational activities to engage the community and increase awareness of planetary science.Astronomers and scientists around the globe prepared extensively for this event, coordinating observations and sharing data to maximize understanding of its implications while also promoting the excitement of space exploration. The world watched closely, with the transit visible from locations in North America, Europe, and Asia, making it accessible to millions.