1. If a neutron star has a radius of 10 km and rotates 716 times a second, what is the speed of… 1 answer below »

1. If a neutron star has a radius of 10 km and rotates 716 times a second, what is the speed of the surface at the neutron star’s equator as a fraction of the speed of light? 2. Suppose that a neutron star has a radius of 10 km and a temperature of 1,000,000 K. How luminous is it? (Hint: Use the luminosity temperature-radius relation, Chapter 13.)  

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