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Session 2 - Heineman Prize Lecture.
Invited session, Monday, January 13
Frontenac Ballroom,
The Type II supernovae SN 1987A and SN 1993J have been observed in more detail than any other supernovae because of their proximity. They provide an excellent opportunity to investigate supernova power sources: interaction with the environment, radioactivity, and central neutron star or black hole.
