| Homework
#6 |
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| • | Q1. The “Blade Runner Question.” A star that |
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| burns
half the lifetime of the sun does not burn |
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| twice
as bright. How bright (luminous) is
it? |
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| Lifetime
in solar units = M-2.5 (solar m) |
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| 0.5 = M-2.5 |
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| M2.5 = 2 |
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| M
= (2)1/2.5 = 20.4=
1.3 solar masses |
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| L in solar units = M3.5
(solar units) |
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| Luminosity = (1.3)3.5 = 2.6
solar |
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