The Crab Nebula features a neutron star at its center that has formed into a 12-mile-wide pulsar pinwheeling electromagnetic radiation across the cosmos. "The emission, which resembles a ...

The Crab Pulsar, a remnant of a supernova whose explosion was visible from Earth in 1054, emits a mysterious radio signal known as the "zebra" pattern. This signal has long intrigued scientists ...

Staelin, D. H., and Reifenstein, E. C., IAU Circ. No. 2110 (1968). Lovelace, R. B. E., Sutton, J. M., and Craft, H. D., IAU Circ. No. 2113 (1968).

Staelin and Reifenstein recently reported 1 the discovery of two pulsed radio sources near the Crab nebula, which is the remnant of the supernova observed by the Chinese in AD 1054. Pulses from ...