ASTR 152 Quiz: Sample Quiz #2

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True or false questions (true = a, false = b): a star of absolute magnitude m = 3. 5 is more luminous than a star of. An electron going from a higher to a lower orbit in an atom produces. Hot stars appear reddish, cooler stars appear blueish. (f) One light year is longer than one parsec. (f) Binary star systems are used to determine stellar masses because it is. Possible to use ______ for such systems. (e) B. wien"s law e. kepler"s third law modified by newton. Small blueshift in spectrum of a star indicates that the star _____. (b) Is moving away slowly d. has fast proper motion. Ionized helium has fewer _____ than neutral helium. (c) Consider the following hr diagram with 5 stars (a, b, c, d, and e) in it: Which star is most like the sun? (b)