ANTH 122 Study Guide - Midterm Guide: Stellar Classification, Protostar, Thermostat
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Answer (a: which of these groups of particles has the greatest mass? (a) a helium nucleus with two protons and two neutrons (b) four electrons (c) four individual protons (d) two protons and two electrons (e) two neutrinos. Answer (d: what is the smallest mass a newborn star can have? (a) 8. 00 msun (b) 0. 8 msun (c) 0. 08 msun (d) 0. 008 msun (e) 0. 0008 msun. Answer (c: which one of the following does not belong in the life and death of a high-mass star? (a) red super giant (b) hydrogen shell burning (c) helium shell burning (d) carbon shell burning (e) planetary nebula. Answer (e) planetary nebula is for low mass star. 3: at what temperature does the core of the protostar begin to have self-sustaining fusion? (a) 10,000 k (b) 100,000 k (c) 1,000,000 k (d) 10,000,000 k (e) 100,000,000 k.
