ᴜɴɪᴠᴇʀsɪᴀ on Instagram: "Meet Sirius, also known as the Dog Star the brightest star in our night sky. Located in the constellation Canis Major, Sirius shines about 25 times brighter than our Sun and sits just 8.6 light-years away, making it one of our closest stellar neighbors. ✨ What makes Sirius even more fascinating is that it’s actually a binary star system: 🔹 Sirius A – a blazing white main-sequence star. 🔹 Sirius B – a tiny yet incredibly dense white dwarf, the remnant of a once massive