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  1.     
    #31
    Senior Member

    Mars....There was life.

    I kno its truely amazing whats out there. The 13th row the one all the way to the right is the best.

  2.     
    #32
    Senior Member

    Mars....There was life.

    Kick ass pictures.
    Heres a paragraph from a book called Chariots of the Gods? published in the sixties:
    "The Late Willy Ley, well known scientific writer and friend of Wernher von Braun, told me in New York: 'The estimated number of stars in our Mily Way alone amounts to 30 billion. The assumption that our Milk Way contains at least 16 billion planetary systems is considered admissible by present-day astronomers. If we now try to reduce the figures in question as much as possible and assume that the distances between planetary systems are so regulated that only in one case in a hundred does a planet orbit in the ecosphere of its own sunm that still leaves 180 million planets capable of supporting life. If we Further assume that only one planet in a hundred that might support life actually does so, we should still have a figure of 1.8 million planets with life. Let us further suppose that out of every hundred planets with life there is one on which creatures with the same level of intelligence as homo sapiens live. Then even this last supposition gives our Milky Way galaxy alone the vast number of 18,000 inhabited planets."

    Our Milky Way galaxy is only a speck in a bigger stellar system that holds other Milky Ways. Its a little hard not to believe that there's life somewhere out there

  3.     
    #33
    Senior Member

    Mars....There was life.

    the number of alien civilizations in our galaxy right now equals...

    the rate of star formation x
    the fraction of starts which have planets x
    the average number of planets per star that can support life x
    the fraction that actually develops life x
    the fraction which actually develops intelligent life x
    the fraction of which are willing and able to communicate x
    the expected lifespan of a civilization

    these values are of course highly disputed and we can only speculate, but as we learn more we can get closer and closer.

    i like the way carl sagan fills this equation in. he puts higher values in for the whole thing than anybody else but comes up with a smaller number, only because of time. he believes that a civilization's lifespan is the reason it is so unprobable that there are just teams of civilizations going on right now in our galaxy. it is very huge out there and it is very old, if civilizations only last even say average 10,000 years, that makes it damn near impossible that there are going to be all these civilizations living right now in the milky way.

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  5.     
    #34
    Senior Member

    Mars....There was life.

    i found this a picture taken of mars theres a few of them about

  6.     
    #35
    Senior Member

    Mars....There was life.

    Quote Originally Posted by Aaron19
    i found this a picture taken of mars theres a few of them about
    Aaron look close at Cydonia.........The face is there.

  7.     
    #36
    Senior Member

    Mars....There was life.

    oh yea sorry my eyesight must be going or its the spliff ive smoked !!!

  8.     
    #37
    Senior Member

    Mars....There was life.

    I used to like to think that the number crunchers logical approach to the likelihood of life elsewhere in the galaxy and universe were incredibly plausible.

    Or as Carl Sagan said... "There are some hundred billion (1011) galaxies, each with, on the average, a hundred billion stars. In all the galaxies, there are perhaps as many planets as stars, 1011 x 1011 = 1022, ten billion trillion. In the face of such overpowering numbers, what is the likelihood that only one ordinary star, the Sun, is accompanied by an inhabited planet? Why should we, tucked away in some forgotten corner of the Cosmos, be so fortunate? To me, it seems far more likely that the universe is brimming over with life. But we humans do not yet know. We are just beginning our explorations. The only planet we are sure is inhabited is a tiny speck of rock and metal, shining feebly by reflected sunlight, and at this distance utterly lost."

    Eventually, that logic was no longer enough to continue fostering in me thoughts that life must surely exist or existed elsewhere. With our super close neighbor, Mars, being an exception.

    1. We humans have an awfully limited definition of what 'life' is and what makes 'life' happen. Until the origiins of life on earth are determined, do those that search for life in the cosmos even know what they're looking for?

    2. For all those billions upon billions of stars...conditions have to be just so for any form of life to take hold. The presence of H2O and O2 may indeed help...but if there is no adequate barrier from radiation, as is here on Earth, would any signs of life ever even take place in a place that is simply too hot for animal and plant life as we know it to exist?

    3. For fact that no one knows how life was begun in the cosmos...for fact that no one knows how life made its way from it's origin to finding a rock to squat on and flourish, coupled with that the right sort of bacterium has to land on the right sort of planetoid with an environment suitable to it's means to adapt into more complex forms...makes the odds of us recognizing developed life elsewhere go through the roof.

    4. Signs of life are being sought in, what to science, are obvious places. ie...look for water, find life. But being as here on Earth exist bodies of water that not even our sturdiest forms of bacteria can sustain itself, pretty much means that the presence of water does not indicate that life be present as well.

    5. The calculations for determining the probability of life elsewhere are overly optimistic and chock full of an assumption. I believe a better formula would be to determine the unlikeliness of life occurring, and working from there.

    Put in other terms...You're hovering at 150,000 feet above the Pacific Ocean, you're given a 5ml vial and an awfully long string...your task is to drop it into the water...and try to fish out one tiny speck of life that is still recognizable as such when observed more closely.

    I save Mars as the exception to all this for sake of it being a stone's throw away from our home here on Earth. Visualizing life dispersing throughout the cosmos as a shotgun blast, with some hitting Mars and Earth both opens my door of probability.

    I'm intrigued by the theory of life on Earth may have begun on Mar's, and through impact of with bodies that may harbor signs of life, spread here to Earth. Or, vice versa. The latter being more plausible considering how much debris was set forth when the Earth's moon was just beginning to gather itself after one whopper of an impact separated it from Earth.

    That life found it's way to mars, but simply could not sustain itself on the surface is where my thoughts on life on Mars arrive.

    None of it really matters though. With arrogance and egotism being such influential staples of humanity...finding life elsewhere would simply be another thing for humankind to exploit.

  9.     
    #38
    Senior Member

    Mars....There was life.

    if there was life on other planets i wonder if they have anything like skunk to smoke or similar !!!
    1000 yrs from now we could have other galaxy skunks to grow

  10.     
    #39
    Senior Member

    Mars....There was life.

    Quote Originally Posted by Aaron19
    if there was life on other planets i wonder if they have anything like skunk to smoke or similar !!!
    1000 yrs from now we could have other galaxy skunks to grow
    I like your thinking. Talaxian super bush!

  11.     
    #40
    Senior Member

    Mars....There was life.

    Quote Originally Posted by Kush Over
    Don't forget the 'rock worm' inside of the ALH84001 meteorite.
    From: http://en.wikipedia.org/wiki/ALH84001 (as is linked /\ )

    "As of 2006 however, most experts agree that the microfossils are not indicative of life, but of contamination by earthly biofilms. It has not yet conclusively been shown how the features were formed, but similar features have been recreated in labs without biological inputs."

    That seems like a logical explanation to me since this meteorite was sitting on Earth 13,000 years ago surrounded by Earth-born organisms.

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