WK7HW - JO - Homework Assignment(Due on Tuesday 1 Describe...

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Homework Assignment (Due on Tuesday): 1) Describe the different types of supernovae. Supernovae (type Ia) – The explosion of a star, thought to be caused by the transfer of matter to a white dwarf. Supernovae (type I) – The explosion of a white dwarf that has gained matter from a companion star and exceeded the Chandrasekhar limit (type Ia) or the explosion of a massive star that has lost its outer layers of hydrogen to a companion star (type Ib). Supernovae (type II) – The explosion of a star, thought to be caused by the collapse of a massive star. 2) What is a neutron star? What is a pulsar? A neutron star is a star of a little over one solar mass compressed into a radius of about 10 km. Its density is so high that the matter is stable only as a fluid of neutrons. Theory predicts that such an object, left behind by a supernova explosion, should spin a number of time a second, by nearly as hot at its surface as the inside of the sun, and have magnetic field a trillion times stronger than Earth’s.
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