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 ...

The Godzilla Nebula is a cloud of gas and dust in the constellation Sagittarius that was imaged by NASA's Spitzer Space Telescope. The star cluster Pismis 24 lies within the much larger emission ...