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Re: are we alone? [message #288943 is a reply to message #288895]

Sun, 07 October 2007 13:06

BlueThen
Messages: 2402
Registered: February 2006

Karma:

General (2 Stars)

Jecht wrote on Sun, 07 October 2007 07:55

Tankkiller wrote on Sat, 06 October 2007 23:38

I forgot the name of the guy who theorized this but he calculated
about 56,600,000 planets that could support life in the milky way.

What's the probability of those supporting "Intelligent life" though?

http://en.wikipedia.org/wiki/Drake_equation

N = R* x Fp x Ne x Fl x Fi x Fc x L

N is the number of civilizations in our galaxy with which we might hope to be able to communicate;
and

R* is the average rate of star formation in our galaxy
fp is the fraction of those stars that have planets
ne is the average number of planets that can potentially support life per star that has planets
fl is the fraction of the above that actually go on to develop life at some point
fi is the fraction of the above that actually go on to develop intelligent life
fc is the fraction of civilizations that develop a technology that releases detectable signs of their existence into space
L is the length of time such civilizations release detectable signals into space.

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[Message index]

		are we alone? By: jnz on Thu, 04 October 2007 11:35
		Re: are we alone? By: R315r4z0r on Thu, 04 October 2007 11:55
		Re: are we alone? By: KIRBY-098 on Thu, 04 October 2007 12:01
		Re: are we alone? By: R315r4z0r on Thu, 04 October 2007 12:42
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 13:27
		Re: are we alone? By: jnz on Thu, 04 October 2007 16:44
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 16:51
		Re: are we alone? By: R315r4z0r on Thu, 04 October 2007 17:46
		Re: are we alone? By: Rocko on Thu, 04 October 2007 16:27
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 19:18
		Re: are we alone? By: Renerage on Thu, 04 October 2007 19:22
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 19:25
		Re: are we alone? By: Renerage on Thu, 04 October 2007 19:29
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 19:51
		Re: are we alone? By: Renerage on Thu, 04 October 2007 19:58
		Re: are we alone? By: IronWarrior on Sat, 06 October 2007 22:14
		Re: are we alone? By: R315r4z0r on Sat, 06 October 2007 22:55
		Re: are we alone? By: IronWarrior on Sun, 07 October 2007 13:04
		Re: are we alone? By: R315r4z0r on Sat, 06 October 2007 20:05
		Re: are we alone? By: cheesesoda on Sat, 06 October 2007 21:13
		Re: are we alone? By: Sn1per74* on Thu, 04 October 2007 19:55
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 19:59
		Re: are we alone? By: Renerage on Thu, 04 October 2007 19:59
		Re: are we alone? By: DarkKnight on Thu, 04 October 2007 17:49
		Re: are we alone? By: R315r4z0r on Thu, 04 October 2007 18:00
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 18:01
		Re: are we alone? By: DarkKnight on Fri, 05 October 2007 17:24
		Re: are we alone? By: luv2pb on Thu, 04 October 2007 13:27
		Re: are we alone? By: The Elite Officer on Fri, 05 October 2007 08:48
		Re: are we alone? By: Goztow on Thu, 04 October 2007 13:29
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 13:30
		Re: are we alone? By: Goztow on Thu, 04 October 2007 13:33
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 13:42
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 13:44
		Re: are we alone? By: PlastoJoe on Thu, 04 October 2007 14:24
		Re: are we alone? By: nikki6ixx on Thu, 04 October 2007 14:36
		Re: are we alone? By: KIRBY-098 on Thu, 04 October 2007 14:46
		Re: are we alone? By: Crimson on Thu, 04 October 2007 15:35
		Re: are we alone? By: Ryu on Thu, 04 October 2007 16:07
		Re: are we alone? By: Sn1per74* on Thu, 04 October 2007 18:32
		Re: are we alone? By: NukeIt15 on Thu, 04 October 2007 18:57
		Re: are we alone? By: Crimson on Sat, 06 October 2007 00:49
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 20:00
		Re: are we alone? By: Renerage on Thu, 04 October 2007 20:02
		Re: are we alone? By: BlueThen on Thu, 04 October 2007 20:06
		Re: are we alone? By: nikki6ixx on Thu, 04 October 2007 20:08
		Re: are we alone? By: Starbuzz on Thu, 04 October 2007 22:02
		Re: are we alone? By: cheesesoda on Thu, 04 October 2007 20:07
		Re: are we alone? By: CarrierII on Fri, 05 October 2007 04:53
		Re: are we alone? By: Renx on Sat, 06 October 2007 01:06
		Re: are we alone? By: Tankkiller on Sat, 06 October 2007 21:38
		Re: are we alone? By: Jecht on Sun, 07 October 2007 05:55
		Re: are we alone? By: BlueThen on Sun, 07 October 2007 13:06
		Re: are we alone? By: Jerad2142 on Tue, 16 October 2007 18:18
		Re: are we alone? By: Sn1per74* on Tue, 16 October 2007 19:59
		Re: are we alone? By: Tankkiller on Sun, 07 October 2007 08:46
		Re: are we alone? By: Rocko on Tue, 16 October 2007 22:06
		Re: are we alone? By: Jecht on Wed, 17 October 2007 01:54
		Re: are we alone? By: Sn1per74* on Wed, 17 October 2007 19:06
		Re: are we alone? By: Rocko on Wed, 17 October 2007 19:12
		Re: are we alone? By: Jecht on Wed, 17 October 2007 20:24
		Re: are we alone? By: jnz on Thu, 18 October 2007 07:27
		Re: are we alone? By: Sn1per74* on Thu, 18 October 2007 13:04
		Re: are we alone? By: Starbuzz on Thu, 18 October 2007 13:07
		Re: are we alone? By: jnz on Thu, 18 October 2007 17:57
		Re: are we alone? By: Rocko on Thu, 18 October 2007 22:12
		Re: are we alone? By: CarrierII on Thu, 18 October 2007 13:49
		Re: are we alone? By: Jecht on Fri, 19 October 2007 02:01
		Re: are we alone? By: Toter on Tue, 06 November 2007 21:26
		Re: are we alone? By: PlastoJoe on Tue, 06 November 2007 22:59
		Re: are we alone? By: Starbuzz on Tue, 06 November 2007 23:44
		Re: are we alone? By: BlueThen on Wed, 07 November 2007 16:21
		Re: are we alone? By: Dave Anderson on Wed, 07 November 2007 16:24
		Re: are we alone? By: Blazer on Wed, 07 November 2007 16:43
		Re: are we alone? By: Blazer on Fri, 09 November 2007 15:35
		Re: are we alone? By: Jecht on Fri, 09 November 2007 22:16
		Re: are we alone? By: Feetseek on Sat, 10 November 2007 10:43
		Re: are we alone? By: Dave Anderson on Sat, 10 November 2007 11:34
		Re: are we alone? By: Rocko on Sat, 10 November 2007 15:48
		Re: are we alone? By: cheesesoda on Sat, 10 November 2007 15:57
		Re: are we alone? By: Starbuzz on Sat, 10 November 2007 17:56
		Re: are we alone? By: Blazer on Sat, 10 November 2007 21:35
		Re: are we alone? By: Starbuzz on Sat, 10 November 2007 23:34
		Re: are we alone? By: Blazer on Sun, 11 November 2007 05:02
		Re: are we alone? By: Starbuzz on Mon, 12 November 2007 10:23
		Re: are we alone? By: Starbuzz on Mon, 12 November 2007 12:50
		Re: are we alone? By: Falco on Sun, 18 November 2007 17:02
		Re: are we alone? By: Rocko on Sun, 18 November 2007 23:27
		Re: are we alone? By: jnz on Sun, 18 November 2007 23:42
		Re: are we alone? By: Rocko on Mon, 19 November 2007 16:36
		Re: are we alone? By: Jecht on Mon, 19 November 2007 17:42
		Re: are we alone? By: Rocko on Mon, 19 November 2007 21:10
		Re: are we alone? By: Jecht on Tue, 20 November 2007 02:57
		Re: are we alone? By: Rocko on Thu, 22 November 2007 00:50
		Re: are we alone? By: jnz on Mon, 19 November 2007 23:52
		Re: are we alone? By: firazero on Tue, 20 November 2007 04:34
		Re: are we alone? By: nikki6ixx on Tue, 20 November 2007 04:48
		Re: are we alone? By: firazero on Tue, 20 November 2007 05:02
		Re: are we alone? By: Jecht on Tue, 20 November 2007 09:34
		Re: are we alone? By: PlastoJoe on Tue, 20 November 2007 11:35
		Re: are we alone? By: Jecht on Thu, 22 November 2007 05:10
		Re: are we alone? By: reborn on Thu, 22 November 2007 07:30

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