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    Drake equation tagged posts

    A Formula for Life? New Model Calculates Chances of Intelligent Beings in our Universe and Beyond

    November 14, 2024, Categories  Uncategorized

    A formula for life? New model calculates chances of intelligent beings in our Universe and beyond
    How the same region of the universe would look in terms of the amount of stars for different values of the dark energy density. Clockwise, from top left, no dark energy, same dark energy density as in our universe, 30 and 10 times the dark energy density in our universe. The images are generated from a suite of cosmological simulations. Credit: Oscar Veenema

    The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new theoretical model which has echoes of the famous Drake Equation.

    This was the formula that American astronomer Dr. Frank Drake came up with in the 1960s to calculate the number of detectable extraterrestrial civilizations in our Milky Way galaxy.

    More than 60 years on, astrophysicists led by Durham Uni...

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    Are we alone? Setting some limits to our planet’s uniqueness

    April 30, 2016, Categories  Astronomy/Space, Biology/Biotechnology

    Illustration of the Drake equation and the Frank equation. In 1961, astrophysicist Frank Drake developed an equation to estimate the number of advanced civilizations likely to exist in the Milky Way galaxy. The Drake equation (top row) has proven to be a durable framework for research, and space technology has advanced scientists' knowledge of several variables. But it is impossible to do anything more than guess at variables such as L, the probably longevity of other advanced civilizations. In new research, Adam Frank and Woodruff Sullivan offer a new equation (bottom row) to address a slightly different question: What is the number of advanced civilizations likely to have developed over the history of the observable universe? Frank and Sullivan's equation draws on Drake's, but eliminates the need for L. Credit: Image courtesy of University of Rochester

    Illustration of the Drake equation and the Frank equation. In 1961, astrophysicist Frank Drake developed an equation to estimate the number of advanced civilizations likely to exist in the Milky Way galaxy. The Drake equation (top row) has proven to be a durable framework for research, and space technology has advanced scientists’ knowledge of several variables. But it is impossible to do anything more than guess at variables such as L, the probably longevity of other advanced civilizations...

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