Wednesday, June 16, 2010

Capsule may carry clues about solar system’s evolution and how to announce we’ve found ETI

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 recovered a Japanese space capsule that landed in the Australian Outback after it traveled to an asteroid and hopefully obtained samples with clues into the evolution of the solar system. See article.
g Intelligence - New research shows that the climate change of 12,000 years ago could have been the first catastrophic climate event attributed to humans. In modern times, humans are continuing to have profound effects on our planet, from wildfires to dramatic weather. See article.
g Learning - The universe evolved from the Big Bang to systems of galaxies, stars, and planets; these, including Earth, continue to evolve. Astronomers are teasing out the role of dark matter and dark energy. Life on Earth goes back at least 3.5 billion years as evidenced by fossilized stromatolites from Australia. Over that vast span of time, there’s evidence that life evolved from small single celled-organisms to the incredible diversity we see today. Scientific research continues to discover additional evidence that supports evolution as the fundamental description for how the physical universe and life developed in the past and will continue to change in the future. See article. Note: This article is from 2005.
g Aftermath - What would an intelligent signal from another planet change about human destiny? This large question is the topic of the book “The SETI Factor,” by Frank White, who also analyzes how to announce such an historic finding and whether it would unite or divide nations. See article. Note: This article is from 2006.

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