Description
Transcript: It may or may not be reassuring to know that SETI researchers have protocols in place for what to do if we finally detect evidence of intelligent aliens in space. Protocols have been set up to contact the United Nations and the world leaders and to avoid the widespread panic that might ensue. The truth is, we have no idea of the likelihood of SETI experiments being successful. We are compelled to do such experiments, and almost all that we know is that the idea and the reality of finding intelligence elsewhere will change us forever. Since our lifetime of a civilization and of the human species is so much less than the age of the Milky Way, it’s most likely that anyone we contact is likely to be far more advanced than us which is a sobering thought. The discovery of life or intelligence in the universe would be the final step in the Copernican Revolution with dramatic impacts on human culture and religion.
Transcript: In terms of life beyond Earth and life beyond the solar system, what are the prospects? Astronomers have learned that long-lived stars, planets, and carbon chemistry seem to be universal phenomenon. We know that planets exist around many nearby stars. We know that carbon is readily...
Published 07/28/11
Transcript: In terms of our speculation about life in the universe, what can we conclude with all the information we have learned about the history of life on Earth. We have learned that life formed very early in extreme conditions. We’ve learned that carbon chemistry offers many different...
Published 07/28/11
Transcript: The Multiverse concept seeks to explain the unusual conditions in our universe by hypothesizing a multitude of universes with different physical properties. In only a tiny fraction of those universes are the physical conditions or the laws of nature suitable to the formation of stars...
Published 07/28/11