Microquasars Are Scaled-Down Versions of Quasars, the Former Being Powered

question 82

Essay

Microquasars are scaled-down versions of quasars, the former being powered by accretion onto stellar-sized black holes, the material being provided by a companion star.The underlying mechanism seems to be very similar in both microquasars and their supermassive AGNs.Typical microquasars have luminosities that are ten orders of magnitude lower than ordinary quasars.What is the typical level of accretion rate in the two cases?

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