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The Crab Pulsar Rotates 30 Times Per Second ×\times 106 Yr
B)6

Question 62

Multiple Choice

The Crab Pulsar rotates 30 times per second.However,its period is increasing by about 10-5 s per year.How many years will it take before its period of rotation has doubled?


A) 3.0 ×\times 106 yr
B) 6.7 ×\times 103 yr
C) 3.3 ×\times 103 yr
D) 1.05 ×\times 1010 yr
E) 2.10 ×\times 1010 yr

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