Thursday, September 03, 2009

Future of our galaxy and ‘The Consequences of Discovery’

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - New simulations show that a collision between small, satellite galaxies and our own Milky Way will not tear apart the disk of our home galaxy. Our largest satellite galaxies are the Large and Small Megellanic Clouds, and astronomers once thought a collision with them would lead to disaster. But for now, it looks as though our future in the Milky Way is safe. See article.
g Life - Perhaps they are the superheroes of tomorrow. Living and thriving in the most inhospitable conditions on Earth, tiny bacteria-like microbes known as extremophiles might soon have an oversized effect on our human world. We currently know little about these organisms that once remained hidden to us. But what we have discovered so far is intriguing—and, in fact, perhaps these microscopic creatures will help us save the world. See article.
g Message - If you've ever sent a carefully composed message to someone on a dating site in cyberspace, trying to ignite a spark of interest and elicit a reply, you'll understand what Yvan Dutil and his colleague Stephane Dumas are up against. See article.
g Aftermath - Here’s an intriguing article that is frequently referenced in astrobiology papers: "The Consequences of a Discovery: Different Scenarios", by astronomer Ivan Almar. Note: This article is from 1995.

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