Beating Star
A neutron star at the center of this gaseous cloud—the remnants of the supernova it exploded in when it died long ago—still spins rapidly and sends out regular pulses.
![hubblehs201637alargeweb-1.jpg](https://th-thumbnailer.cdn-si-edu.com/aLPTLNAotK3UgoRhWGxQRulYhwM=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/67/fe/67fedab0-18e9-4d7e-8fea-a1747487475f/hubblehs201637alargeweb-1.jpg)
A neutron star at the center of this gaseous cloud—the remnants of the supernova it exploded in when it died long ago—still spins rapidly and sends out regular pulses.