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View Poll Results: Do you believe there is other life on other planets anywhere in space?
Yes. 16 76.19%
No. 5 23.81%
Voters: 21. You may not vote on this poll

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Other life in space?
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Default Other life in space? - 09-12-2003, 06:07 PM

another pointless poll/disscussion thread.

i personally believe there is other life up there. because theres alot of shit floating around up there
  
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Default 09-12-2003, 06:11 PM

YES. I think there is but only in bacteria form or something similar to that.
  
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Default 09-12-2003, 06:13 PM

I'm not a nut or anything, but I do beleive ther is life out there ed:
  
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Default 09-12-2003, 06:19 PM

yes and someday we're gonna kill them all.
  
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Default 09-12-2003, 06:41 PM

The Drake Equation was developed by Frank Drake in 1961 as a way to focus on the factors which determine how many intelligent, communicating civilizations there are in our galaxy. The Drake Equation is:

N = N* fp ne fl fi fc fL
The equation can really be looked at as a number of questions:

N* represents the number of stars in the Milky Way Galaxy
Question: How many stars are in the Milky Way Galaxy?
Answer: Current estimates are around 200 billion.

fp is the fraction of stars that have planets around them
Question: What percentage of stars have planetary systems?
Answer: Thanks to advances in technology, new planets are being discovered every month. Within a few years we may have a reasonably accurate estimate. For now we'll say 20% (a standard estimate given my many including Frank Drake).

ne is the number of planets per star that are capable of sustaining life
Question: For each star that does have a planetary system, how many planets are capable of sustaining life?
Answer: If you base it on our solar system you might say 3 planets could possibly support life - Venus, Earth, and Mars. There is also the chance that one or more of Jupiter's moons could support life. If our system is typical the answer may be between 3 and 5.

fl is the fraction of planets in ne where life evolves
Question: On what percentage of the planets that are capable of sustaining life does life actually evolve?
Answer: Current guesses range from 100% (where life can evolve it will) down to close to 0%.

fi is the fraction of fl where intelligent life evolves
Question: On the planets where life does evolve, what percentage evolves intelligent life?
Answer: Guesses range from 100% (intelligence is such a survival advantage that it will certainly evolve) down to near 0%.

fc is the fraction of fi that communicate
Question: What percentage of intelligent races have the means and the desire to communicate?
Answer: Who knows? Let's guess 10% to 20%

fL is fraction of the planet's life during which the communicating civilizations live
Question: For each civilization that does communicate, for what fraction of the planet's life does the civilization survive?
Answer: This is the toughest of the questions. If we take Earth as an example, the expected lifetime of our Sun and the Earth is roughly 10 billion years. So far we've been communicating with radio waves for less than 100 years. How long will our civilization survive? Will we destroy ourselves in a few years like some predict or will we overcome our problems and survive for millennia? If we were destroyed tomorrow the answer to this question would be 1/100,000,000th. If we survive for another 10,000 years the answer will be 1/1,000,000th.

When all of these variables are multiplied together we come up with:
N the number of communicating civilizations in the galaxy.


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The real value of the Drake Equation is not in the answer itself, but the questions that are prompted when attempting to come up with an answer. Obviously there is a tremendous amount of guess work involved when filling in the variables. As we learn more from astronomy, biology, and other sciences, we'll be able to better estimate the answers to the above questions. Many of these questions will be addressed in depth in future issues of Enigma.

NOTE: Drake's original equation actually used the terms R in place of N* and L in place of fL where R stood for the rate of star creation in the galaxy (i.e.: how many new stars are created each year) and L stood for the length of the time a given communicating civilization survives (in years). In general you will get the same answer using either set of terms, however I feel the terms used on this page make the equation more understandable.
  
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Default 09-12-2003, 06:52 PM

why wouldn't there be other life out there?

Like Ninety said there's about 200 billion stars, there's a good chance there are inhabitable planets out there.

ONly a rabid creationist can deny logic and say that Earth is a unique inhabitable world.
  
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Default 09-12-2003, 07:10 PM

There is obviously life on other planets, of some sort at least. if not intelligent perhaps small particles of bacteria like hosp said.
  
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Default 09-12-2003, 09:18 PM

my theory on this is, go outside one clear night. Look up and just think 'Each star represents a sun, which represents solar system which has many planets in them.' To say there is no life on other planets is absurd.
  
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Default 09-12-2003, 09:25 PM

The universe is just to big for us to think that we are the only life.
  
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Default 09-12-2003, 09:30 PM

that would be a pretty big waste of space if we were the only centient things in it.
  
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Default 09-12-2003, 09:49 PM

exactly
  
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Default 09-12-2003, 10:41 PM

what about crop circles?

half of me says they can be real. then the other half is in completely denial
and i shake at the thought of them actually being real. about a week ago i watched this 2 hour documentry on cropcircles, followed by the move signs. i was scared shitless that night. infact i slept with a glass of water and a baseball bat...






well maybe not... but i still am a bit shaky
  
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Default 09-12-2003, 10:51 PM

i welcome them with my machete

that signs was a pretty good movie...but one thing wheres their gun? why not use a knife?
  
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Default 09-12-2003, 11:32 PM

i thought earth was one big reality show


  
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Default 09-12-2003, 11:40 PM

we will discover other lifeforms and eventually we will end up fighting them
gg humannaturestein
  
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