Welcome! KIRON tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - About 4.5 billion years ago, when the solar system accreted out of a disk of gas and dust, the Earth was thoroughly reduced. Over the course of the first 1-2 billion years our planet became slowly, but inextricably ever more oxidized. See article. This article is from 2008.
g Message - How can we be sure we’ve picked up intelligence and not just the cosmic gurgle of a completely natural object? How can we know we’re not merely harkening to the ticking beat of a pulsar, the whoosh of a quasar, or perhaps the lasing bray of a molecular gas cloud? See article. This article is from 2004.
g Cosmicus - Astronauts on a mission to Mars could lose nearly half their muscle strength during the long trip, giving them the physiques of senior citizens by the time they arrived, according to a new study. See article.
g Aftermath - Clearly, if we are not alone in the universe, there are some unavoidable theological and philosophical consequences. We should reflect on the consequences of a positive result of either finding extraterrestrial microorganisms, or receiving a radio message form an extraterrestrial source: When such discovery occurs, the implications are likely to have an impact on our culture requiring adjustments possibly more radical than those arising ftom the evidence that humans descend from microorganisms.
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
SEE http://users.ictp.it/~chelaf/searching_for_ascent.html
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