DTU8e_iClicker_ch11 - iClicker Questions Discovering the...

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iClicker Questions Discovering the Universe, Eighth Edition by Neil F. Comins and William J. Kaufmann III Chapter 11 11-1. A star with which of the following classifications is coolest? a) A4 b) G2 * c) B8 d) F1 11-2. Parallax measurements are taken of stars to determine: a) stellar masses b) stellar surface temperatures c) stellar diameters d) stellar distances from Earth * 11-3. What type of star is the Sun? a) white dwarf b) supergiant c) giant d) main sequence *11-4The masses of stars are most accurately measured by observing: 11-4. The masses of stars are most accurately measured by observing: a) their colors b) their rotation rates c) their orbits in binary systems * d) their temperatures 11-5. How bright a star appears in the night sky relative to other stars seen there is called its: a) luminosity. b) spectral class. c) absolute magnitude. d) apparent magnitude. * 11-6. An apparently isolated star whose entire spectrum alternately redshifts and blueshifts is called a(n): a) optical double
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DTU8e_iClicker_ch11 - iClicker Questions Discovering the...

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