Exploding stars and the expanding universe (The 1990 Grubb Parsons Lecture)

Details Exploding stars and the expanding universe (The 1990 Grubb Parsons Lecture) Exploding stars and the expanding universe (The 1990 Grubb Parsons Lecture)

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991qjras..32..233k&link_type=abstract

Royal Astronomical Society, Quarterly Journal (ISSN 0035-8738), vol. 32, Sept. 1991, p. 233-244.

Mathematics

Logic

Stellar Evolution, Supernovae, Universe, Photosphere, Stellar Luminosity

Scientific paper

Supernovae are exploding stars: after as little as ten million years of preparation, a single star can shine as brightly as 10 billion suns for a few weeks. Supernovae come in two broad classes - one that provides a 'custom yardstick' to measure the distances to individual galaxies and another that offers standard candles that can be detected a third of the way across the universe. Techniques are being developed to use these stellar beacons to gage the age of the Universe and the geometry of space. Definitive answers are not in yet, but they are within our grasp and supernovae may soon become a central element of the cosmological quest.

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