Giant bands of iron and the link between anthropocentrism and belief in 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 Stars - Astronomers have spied a distant black hole in the act of creating the galaxy that will eventually become its home. See article.
g Abodes - No one knows why massive formations of banded iron — some ultimately hundreds of kilometers long, like a sleeping giant’s suspenders — mysteriously began precipitating on Earth’s surface about 3.5 billion years ago. Or why, almost 2 billion years later, the precipitation ceased. See article.
g Message - Just how does SETI work? Here’s a good primer for those looking to get a basic overview.
g Learning - It's time for a holiday telescope buying guide. See article.
g Aftermath - The more anthropocentric a person is, the less likely he is to believe that life exists beyond Earth. See article.

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