Saturday, June 19, 2010

Comets hijacked from other solar systems and what we might emphasize to ETI

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - A new theory suggests that many comets, including ones like Halley and Hale-Bopp, may have been formed around other stars before traveling to our solar system. Understanding the origin of comets can help us understand how these objects from space may have played a role in delivering materials to the early Earth. See article.
g Life - When we study life in the universe, we have a handy example of where we know life occurs: the Earth, our home. Understanding how life began here on Earth can help us understand how life might occur on other worlds. See article.
g Cosmicus - NASA announced it has selected two candidate proposals to study how life responds and adapts to space and microgravity for the agency's next Fundamental Space Biology Program "missions of opportunity." See article.
g Aftermath - Humans live and die by approximations. We are seldom as perfect or as accurate as we would like to be. And as we contemplate what we might say to an advanced extraterrestrial civilization, maybe that's a point we should emphasize. See article.

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