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AZPM to Live Stream “Life In The Universe" UA Science Lecture Series 2015
The 2015 UA Science Lecture Series explores our Universe at molecular, biological, planetary and cosmic scales to ask 'What is life?' and how do we recognize it?

Life as we know it produces complex order. Earth's many life forms are diverse and continually changing through birth, growth, and evolution. To understand life in the Universe we ask: What environments produce life and which attributes make something alive? How does life change? Is there life in our Solar System, or on one of countless exoplanets? Is there a connection between life on Earth and life elsewhere? Or are we alone?

Lectures will be held at Centennial Hall on the campus of the University of Arizona.

Monday, March9, 2015 at 7 p.m.
Intelligent Life Beyond Earth

Christopher D. Impey, University Distinguished Professor, Astronomy
One question rises above all others when it comes to our place in a vast and ancient Universe, 'Are we alone?' With a billion habitable locations in the Milky Way galaxy, and more than ten billion years for biological experiments to play out, a search for intelligent life beyond Earth is well-motivated. Unfortunately, the single example of life on Earth gives no clear indication of whether intelligence is an inevitable or an extremely rare consequence of biological evolution. The search for extraterrestrial intelligence, or SETI, is more appropriately called the search for extraterrestrial technology. So far, the search for intelligent aliens by their electromagnetic communication has met with half a century of stony silence. It's challenging to define life, and even more difficult to make general definitions of intelligence and technology. We'll look at the premises and assumptions involved in the search, the strategies used, and the profound consequences of making contact.

For more information visit the UA Science website.

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