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tricky_ricky_pfc Posted on 18/08/2017 16:50
Ricky's Friday Fact - this week: the Drake equation

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Did you know, back in 1961 when SETI was first started, Frank Drake wrote down an equation that would tell you how many currently detectable alien civilisations there should be in the galaxy right now. If you had exact values for all the variables (number of stars that have planets, fraction that develop life etc) it would give you an accurate number. Over time, estimates of the variables have become more informed, and using the latest data from the Kepler telescope, the current estimate is that the odds of advanced life developing from basic life need to be more than 10 billion trillion to one for humans to be the only advanced civilisation ever to have existed in our galaxy.
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Bluenote Posted on 18/08/2017 17:04
Ricky's Friday Fact - this week: the Drake equation

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Not sure we can call ourselves advanced or civilised, but Arthhur C Clarke nailed it: 'There are only two possibilities- one is that we are the only advanced species in the universe. The other is that we're alone. Both ideas are equally fantastic..,,'
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SouthSeakingKind Posted on 18/08/2017 17:10
Ricky's Friday Fact - this week: the Drake equation

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lucky they are too far away to come and visit
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Bluenote Posted on 18/08/2017 17:20
Ricky's Friday Fact - this week: the Drake equation

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They might be avoiding us. Couldn't blame them.
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tricky_ricky_pfc Posted on 18/08/2017 17:55
Ricky's Friday Fact - this week: the Drake equation

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Bluenote, did he not say both are terrifying?

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Bluenote Posted on 18/08/2017 18:41
Ricky's Friday Fact - this week: the Drake equation

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I stand corrected Ricky. Makes a subtle difference as well...
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