The Allen Telescope Array: A Radio Survey Telescope for the 21st Century

Jill Tarter will talk about the large survey SETI observing programs to be undertaken by our in-house team over the next decade, the SETI observing projects from external proposers that have been allocated array time during this current observing period, some recently suggested 'far out' SETI observing strategies (not all relating to the ATA), our first thoughts about beginning OpenSETI, our recent successful demonstrations with SonATA0, and our plans for moving forward towards a Software Defined Radio Telescope (SDRT).

The Statistical Drake Equation

We provide the statistical generalization of the Drake equation.

SETI Institute - History, the Institute Today, and Plans for the Future

The Colloquium Series changes pace from our normal scientific discussions as SETI Institute CEO Tom Pierson invites everyone to join in a conversation. How did the Institute spring to life? What events punctuated its evolution? Why does the Institute have a Carl Sagan Center? What is the state of the Institute today? And what might the future bring?

The Allen Telescope Array: A Wide-angle, Panchromatic Radio Camera for SETI and Radio Astronomy

According to Jerry Ostriker (Plumian Professor, Cambridge; Professor of Astrophysics, Princeton; Provost, Princeton), "Surveys aren’t just something that astronomers do, they are the only thing astronomers do." These words are understandable, given Prof. Ostriker’s intimate association with the Sloan Digital Sky Survey that is presently transforming our view of the optical universe.

On the extraction of all information embedded in radio siganls: Implications for SETI

A new idea for utilizing all of the information in photons for communication involves a little-know electromagnetic property: the photon's orbital angular momentum (POAM). The communication and computer industries are actively looking at the possibilities. We will discuss current research and the implications for SETI. 

The End of the Habitable Zone: Lessons from the Solar System

Phenomena in the Solar System have shown that temperatures can be suitable for life at great distances from a star as a result of the action of various forms of  "insulation".   The forms of "insulation" include a solid surface, an ocean, and a greenhouse atmosphere.  It is interesting to note that there appears to be no plausible atmosphere which produces an "anti-greenhouse", a cooling effect.   The existence of insulation greatly extends the habitable zone.  In addition, with regard to the ubiquitous M-stars, the observed large fraction of extrasolar planets with substantial eccentriciti


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