Galaxy • Space • Cosmos ✨ on Instagram: "🌌 Did you know a dead star can sound like a cosmic siren? 🤯 This is the incredible, raw "sound" of a pulsar star, a hyper-dense, rapidly spinning neutron star—the stellar remnant of a massive supernova explosion. It's a key part of astronomy and the universe's most powerful beacons. As the collapsed star spins, its magnetic poles emit powerful, focused beams of electromagnetic radiation (like a cosmic lighthouse 🚨). When these beams sweep past Earth, w