Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. You may notice that this and future entries are shorter than usual; career, family and book deal commitments have forced me to cut back some of my projects. Now, here's today's news:
g Life - The greenery on other planets may not be green. Astrobiologists say plants on Earth-sized planets orbiting stars somewhat brighter than the Sun may look yellow or orange, while those on planets orbiting stars much fainter than the Sun might look black. See article.
g Aftermath - Humanity's foray into the solar system brings out the ethical issue of what we should do if life is found in outer space. Do we send more probes to further investigate and do we have a responsibility to protect that life and allow it to develop naturally? See article.
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