Description
Is anybody out there? This lecture reviews the ideas behind SETI, the
Search for Extra-Terrestrial Intelligence, an effort to find other
intelligent communicating civilizations by tuning in on their radio or
other electromagnetic communications. I will discuss the basic
approaches being taken by various SETI efforts, and what we expect to
find. In addition to listening, we have also been broadcasting,
intentionally or otherwise, messages into space, and we have sent
physical artifacts with descriptions of our home on robotic spacecraft
headed out of our solar system into interstellar space. Recorded live
on 2009 Nov 24 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