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News and Views
Nature 447, 393-394 (24 May 2007) | doi:10.1038/447393a; Published online 23 May 2007
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Assistant Professor and Associate Professor
- Massachusetts General Hospital/ Harvard Medical School
- Charlestown, MA
Gastroenterologist
- Wayne State University
- Detroit, Michigan, USA
Supernovae: Answers and questions
David Branch1 & Ken'ichi Nomoto2
Abstract
Do we understand the violent and cosmologically significant stellar explosions known as type-Ia supernovae? Yes and no, as astronomers participating in a conference in California agreed.
In mid-March, more than 100 astronomers converged on the Kavli Institute for Theoretical Physics in Santa Barbara, California, for an international conference* on so-called type-Ia supernovae (SNe Ia). Understanding these stellar explosions has a high priority: measurements of their brightness in the late 1990s revealed the existence of a mysterious 'dark energy' permeating space and accelerating the Universe's expansion.
- David Branch is in the Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma 73019, USA.
Email: branch@nhn.ou.edu - Ken'ichi Nomoto is in the Department of Astronomy and the Research Center for the Early Universe, School of Science, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
Email: nomoto@astron.s.u-tokyo.ac.jp
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