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1 | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) Use Figure 20.3 to estimate the radius of a 0.9 solar mass white dwarf star. |
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2 | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) A white dwarf star has a radius two-thirds as large as the Earth's. Use Figure 20.3 to find the mass of the star. |
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3 | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) Use Figure 20.5 to find the mass of the white dwarf star that results from the evolution of a 6 solar mass main sequence star. |
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4 | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) Use Figure 20.9 to find the brightness (relative to its maximum brightness) of a type II supernova 100 days after the time of maximum light. |
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5 | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) Use Figure 20.17 to estimate the radius of a 0.5 solar mass neutron star. |
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