Monday, March 25, 2013

How solar systems evolve

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 - Scientists are uncovering new information about how the Solar System evolved by studying the origins of different isotope ratios among the elements that make up objects like planets and moons in our system. See article.
g Intelligence - The discovery and analysis of an extremely rare African American Y chromosome pushes back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. This time predates the age of the oldest known anatomically modern human fossils. See article.
g Message - In 1961, astronomer Frank Drake wrote the equation that put the search for alien civilizations on a scientific footing and launched the modern SETI movement. How do the numbers look today? See article. Note: This article is from 2002.

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