Description
What are the observed properties of stars? This lecture is a quick
review of the basic observational properties of stars, introducing
luminosity, spectral classification, the luminosity-radius-temperature
relation, and the Hertzsprung-Russell (H-R) diagram. This sets up the
empirical basis of subsequent lectures on the lives and deaths of stars.
Recorded live on 2009 Nov 9 in Room 1005 Smith Laboratory on the
Columbus campus of The Ohio State University.
Course finale and summary. We look back over where we've been the last
eleven weeks, and bring together all of the main themes of this course
on Life in the Universe. Recorded live on 2009 Dec 4 in Room 1005 Smith
Laboratory on the Columbus campus of The Ohio State University.
Published 12/04/09
How will life, the Universe, and everything end? This lecture looks at
the evolution of our expanding Universe to project the prospects for
life into the distant cosmological future. Recent observations show
that we live in an infinite, accelerating universe. I will trace the
evolution of the...
Published 12/03/09