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 Atacama Desert in northern Chile is the driest place in the world, and an environment that resembles Mars in the ancient past. In this second in a series of reports, Field Research Editor Henry Bortman recounts a day of activities at Salar de Navidad. See article.
g Message - The Artifact Hypothesis states that a technologically advanced extraterrestrial civilization has undertaken a long-term program of galactic exploration via transmission of material artifacts. Four general classes of unconcealed observable artifacts are potentially available to test this Hypothesis: Astroengineering activities, self-replicating artifacts, passive artifacts, and active probes. Of these, only active self-repairing probes are likely both to exist and to be observable from within the Solar System. See article.
g Cosmicus - Wine may hold a key ingredient to help astronauts cope with the negative effects of spaceflight. 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.