Monday, April 06, 2009

What might be out there and traces an extinct human race might leave for aliens

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Life - They may not look like Spielberg’s idea of ET. They may not resemble anything that we can even begin to imagine. But there surely is something out there. Or is there? See article.
g Intelligence - Imagine that all the people on Earth - all 6.5 billion of us and counting – disappeared tomorrow. Left once more to its own devices, Nature would begin to reclaim the planet, as fields and pastures reverted to prairies and forest, the air and water cleansed themselves of pollutants, and roads and cities crumbled back to dust. But would the footprint of humanity ever fade away completely, or have we so altered the Earth that even a million years from now a visitor would know that an industrial society once ruled the planet? See article.
g Cosmicus - The upcoming LISA satellite mission is designed to help scientists see warping of the space/time continuum. However, the NASA/ESA mission may also be used by astrobiologists to study the frequency and mass of near-Earth asteroids. See article.

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