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 - The European Space Agency's Venus Express is helping planetary scientists investigate whether Venus once had oceans. If it did, it may even have begun its existence as a habitable planet similar to Earth. See article.
g Message - Non-professional involvement in SETI science, which is encouraged by the nonprofit SETI League, Inc., increases the opportunity for the perpetration of hoaxes. The SETI League has already been peripherally involved in three separate false claims of ETI contact. Two were simple cases of mistaken identity, easily rectified. But the third was an elaborate hoax perpetrated by an Internet hacker who broke into a closed signal verification e-mail list. Such claims call for a prompt but measured response, so as not to subject the SETI community to charges of complicity in conspiracy or cover-up activities. In this presentation SETI League Executive Director H. Paul Shuch explores the dilemma of encouraging grass-roots participation, while avoiding association with fraudulent and pseudo-scientific claims. See article.
g Imagining - Like stories about alien biologies/environments? Be sure to scour your favorite used bookstores for the late Poul Anderson’s “The Byworlder” (1971), which examines metazoans, linked cilia and radial lifeforms. See reviews.
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The Drake Equation
This formula estimates the number of intelligent civilizations in our galaxy.N=(R*)(Ns)(Fp)(Ne)(Fl)(Fi)(Fc)(L)
Where:- N = Number of civilizations we can communicate with
- R* = Average star formation rate
- Ns = Percentage of stars capable of supporting earth-like planets
- Fp = Percentage of those stars with planets
- Ne = Average umber of planets in those stars' habitable zones
- Fl = Percentage of those planets where life begins
- Fi = Percentage of planets with life where an intelligent species evolves
- Fc = Percentage of those intelligent species that develop communication technology
- L = Average lifetime, in years, of a civilization that develops such technology
About Me
- Rob Bignell
- I'm the owner and chief editor at Inventing Reality Editing Service, which meets the editing and proofreading needs of writers both new and published. For more than two decades, I worked as an award-winning journalist, with half of those years spent as an editor. Several of my short stories in the literary and science fiction genres have been published, and I am the author of the nonfiction “Hikes with Tykes” series, a novel "Windmill", and a collection of poetry, "Love Letters to Sophie's Mom". For seven years I worked as an English teacher or a community college journalism instructor. I hold a master's degree in English and a bachelor's in journalism and English.