Lecture 17 - Stellar Death (3/18/99)

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ASTR012 Reading:
Chapter 17-1, 17-2 (ZG4)

pages 68-72

Strange rings around the remnant of SN1987A as seen by HST. (Courtesy STSCI)
? Key Question: What is a supernova?
! Key Principle: Gravitational Potential Energy
# Key Problem: To calclate the energy and luminosity of a supernova


  1. White Dwarfs
  2. Supernovae

Supernovae and Supernova Remnants

Remnant of Supernova 1987a, as seen in the Hubble Heritage picture, courtesy HST/STSCI

There are a number of spectacular images of supernove, supernova remnants, and other stellar graveyards. Some examples:

Stellar Remnants in Outline:

  1. Massive Stars
  2. Supernovae
  3. The Crab Nebula
  4. Supernova 1987A
  5. What's Left Over

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smyers@nrao.edu Steven T. Myers