Reminders

1 Online Quiz Chapter 13 Due Friday2 Read Chapter 13

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Lecture 24 — Supernovae andStellar Death

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Close Binary Evolution: RocheLobes

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Close Binary Evolution: MassTransfer

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Angular Momentum

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Mass Transfer: Accretion Disks

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Mass Transfer: Nova Explosions

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Chandrasekhar Limit

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Type Ia Supernovae

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Accretion Rate Determines NovaVersus Supernova

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Single Degenerate Scenario

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Double Degenerate Scenario

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SN 1992A

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Clicker Question

Stars less than 8 M� will end up as(a) helium white dwarfs(b) neutron stars(c) carbon/oxygen white dwarfs(d) black holes

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