What if a pulsar entered our solar system? A pulsar is the ultra-dense core left behind after a massive star explodes in a supernova. Despite being only city-sized, a pulsar can contain more mass than our entire Sun and emit powerful beams of radiation across space. If a pulsar were to pass anywhere near our solar system, the effects could be catastrophic. Its radiation could strip planetary atmospheres, disrupt magnetic fields, and potentially sterilize planets. Even without a direct hit, the p