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 - Research by a Danish physicist suggests that the explosion of massive stars - supernovae - near the Solar System has strongly influenced the development of life. Prof. Henrik Svensmark of the Technical University of Denmark sets out his novel work in a paper in the journal Monthly Notices of the Royal Astronomical Society. See article.
g Message - Here’s a fascinating talk with Jill Tarter, director of the Center for SETI Research and the inspiration behind Jody Foster’s character in the movie “Contact.” Find out about the tools and technologies being developed for a multigenerational effort to search for other advanced civilizations beyond our solar system here; scroll to “Listening for the Long Term.”
g Cosmicus - A new NASA outreach project will enlist the help of amateur astronomers to discover near-Earth objects. See article.
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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.