31. Ready for Crab Nebula 's close-up? 32. In the northwest part of Taurus is the supernova remnant Messier 1, more commonly known as the Crab Nebula . 33. The term is also used to describe the shape of some nebulae ( nebulas ) such as the Crab Nebula . 34. In 1968, he obtained the first evidence of X-ray pulses from a neutron star, or pulsar, in the Crab Nebula . 35. The pulsar within the Crab nebula , discovered by radio astronomers in 1968, is a neutron star rotating 30 times per second. 36. The column density of ArH + in the Crab Nebula is between 10 12 and 10 13 atoms per square centimeter. 37. One crab is the rate of the X-ray radiation emitted by the Crab Nebula , the remnant of a violent supernova explosion. 38. Bell Burnell notes that the 30 Hz frequency of the Crab Nebula optical pulsar is difficult for many people to see. 39. In the 1960s, because of the prediction and discovery of pulsars, the Crab Nebula again became a major centre of interest. 40. Kelvin freaks, tossing Rheya . 1 into a space pod and blasting her in the general direction of the Crab Nebula .
