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About two years ago we saw some lights in the sky at a July 4th get together. I made a video of it and posted it online. I will share it with you guys to see what you think. :)
posted in General Readings
Wednesday, June 20 2012, 03:27 AM
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  • Accepted Answer

    Tuesday, June 26 2012, 05:03 AM - #permalink
    2 votes
    Hello, according to SETI, in order to determine how many different civilizations might actually exist, we can utilize the "Drake Equation". The equation is usually written:

    N = R* • fp • ne • fl • fi • fc • L


    N = The number of civilizations in The Milky Way Galaxy whose electromagnetic emissions are detectable.

    R* =The rate of formation of stars suitable for the development of intelligent life.

    fp = The fraction of those stars with planetary systems.

    ne = The number of planets, per solar system, with an environment suitable for life.

    fl = The fraction of suitable planets on which life actually appears.

    fi = The fraction of life bearing planets on which intelligent life emerges.

    fc = The fraction of civilizations that develop a technology that releases detectable signs of their existence into space.

    L = The length of time such civilizations release detectable signals into space.

    This is a fascinating read. I strongly encourage you to check it out! :)
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