Staring at a clear night sky, I remember camping in the remote hills of northern Pakistan, where the Milky Way looked like a river of light. My friend pointed at the stars and asked, “How many are out there?” That question, so simple yet profound, sent me down a rabbit hole of cosmic wonder. Estimating the number of stars in space is like trying to count grains of sand on every beach—it’s mind-boggling but thrilling. In this guide, we’ll unravel the science behind this question, explore galaxies, and share tools to help you connect with the starry expanse yourself. Whether…