Tuesday, May 05, 2009

Mars and Earth analogies and creating interstellar messages that can be understood

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 - In this podcast, host Simon Mitton investigates experiments being conducted at the University of Arkansas Center for Space and Planetary Science – experiments that show similarities between Mars and Earth.
g Life - Scientists have found a diverse stash of dinosaur fossils laid down just a few million years before the big impact, along what's now the Kakanaut River of northeastern Russia. Even accounting for continental drift, the dinos lived at more than 70 degrees of latitude north, well above the Arctic Circle. See article.
g Intelligence - Our ancient human ancestors traded in the ability to climb trees for the power to walk on two legs, but it is unclear when this happened in evolutionary time. See article.
g Message - To create interstellar messages that have a realistic chance of being understood across interstellar distances, we need to identify some information shared by humans and extraterrestrials. We need to identify a foundation for establishing a universal language that will let us bridge the gap between our world and theirs, all without the convenience of face-to-face contact. See article. Note: This article is from 2002.

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