Saturday, February 07, 2009

Embryo of Sun’s twin and is panspermia misguided?

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. You may notice that this and future entries are shorter than usual; career, family and book deal commitments have forced me to cut back some of my projects. Now, here's today's news:
g Stars - Members of a research team led by the University of Colorado at Boulder have used NASA's Chandra X-ray Observatory to peer at the embryo of an infant star in the nearby Eagle Nebula, which they believe may someday develop into a virtual twin of Earth's sun. See article.
g Life - Some astrobiologists think life may have arrived on Earth inside a comet or meteorite. Calling this process “Panspermia” is misguided, says a historian who has studied the evolution of thought about life’s origin. See article.
g Intelligence - Philosophers and mathematicians have been arguing for centuries over whether math is a system that humans invented or a cosmic - possibly divine - order that we simply discovered. That's the fundamental question Mario Livio probes in his engrossing book “Is God a Mathematician?” See article.

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