Spiral galaxy - Bog

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Scientists have highlighted with proofs that the spiral galaxy NGC 6872 was found to be the largest-known spiral galaxy in the world. Basically, the experts were searching for data about star-forming regions around a galaxy located more than 200 million light years away when they accidentally detected NGC 6872 as being the largest known spiral galaxy in the entire universe. This massive galaxy - NGC 6872 has the capacity to span more than 522, 000 light years. As a natter if fact, this makes the spiral galaxy NGC 6872 being 5 times the size of the Milky Way galaxy! In fact, scientific researchers have got much help from GALEX which is endowed with the ability to detect the ultraviolet light of the youngest, hottest stars which are hard to recognize by other technologies. According to astronomers, GALEX is expected to remain in orbit for 66 more years, and will burn up upon reentry into the Earth's atmosphere...