| Any of a series of intermittent occurrences characterized by a brief sudden change in a quantity | So a pulsar has all of the essential ingredients for becoming a powerful accelerator of matter |
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| Not all supernova produce neutron stars and pulsars | Some meanings of the English word pulse : 1 |
A brief sudden change in a normally constant quantity: a pulse of current; a pulse of radiation.
| Rare and exotic, these giant objects live life in the fast lane, courting disaster at the farthest extremes of mass and luminosity known to exist | The premier example, Eta Carinae, is a peculiar, erratically fluctuating variable, one of the most luminous stellar objects of our Galaxy, and, if single, one of the most massive stars known |
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| At-Tariq is specified as the Star of piercing brightness | At the place where the zero-age main sequence for hydrogen burning stars H-ZAMS and the supergiant branch come together, we find the earliest bluest, hottest |
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6| The difference between a pulsar and a neutron star 1997 Dr | One of a series of such transient disturbances, usually recurring at regular intervals and having a characteristic geometric shape |
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| Most stars are currently classified using the letters O , B , A , F , G , K , and M , where O stars are the hottest and the letter sequence indicates successively cooler stars up to the coolest M class | They burn their hydrogen fuel into helium after only a few millions of years, much more quickly than lower mass stars |
When a star becomes a supernova and explodes, it can leave behind a rapidly spinning neutron star about 20 miles across rotating up to 30 times per second.
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