Geological Solution to the Fermi Paradox: Plate Tectonics and Alien Life
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Top Comments (10)
The Drake equation and the Fermi paradox are perfect examples of how math can be used to model anything but how that model may not necessarily have any basis in reality.
I read about tectonic plates being essential for advanced life on earth in the book Improbable Planet by Hugh Ross (highly recommended). In addition to tectonic plates, there are actually a ton of other attributes that make earth exceedingly unique and suitable for advanced life (i.e. more than just Goldilocks zone, magnetic field, and water), including the type of galaxy we're in, our location within the galaxy, the type of star we orbit, the size and position of the other planets in the solar system, the elemental composition of earth, the size of the moon, the earth's tilt.. the list goes on - it's mind blowing that more people aren't talking about all of these factors together..
We have only been in a position to effectively receive signals from space during my lifetime. Compare that with the time it takes for planets to form and life to evolve to our level. It is very unlikely that two advanced civilisations on separate planets would ever coincide in real time. It would be similar to two people roaming an empty area the size of the Sahara Desert, meeting by chance, in the first week.
I always enjoy Fermi Paradox videos.
Starship Troopers "it's AFRAID" meme, with "Fermi Paradox" written on the brain bug. We aren't "solving" it. We're just looking at it with an increasing academic desperation. We probably have at least one bad assumption.
4:22 - "Something makes Earth special". My money is on the moon... Impact forces from its creation event to get plate tectonics going, and tidal forces after to sustain it.
This would actually make a lot of sense and I have thought about this idea before. I have read about how the Theia impact which created the moon was something that helped to give the earth its magnetic field, and also played a role in giving the earth plate tectonics, both of which are crucial for life on earth (plate tectonics creates hydrothermal vents and is the reason that life was able to leave the ocean). These are very specific events that would drastically reduce the amount of planets that can support life.
The take away seems to be: you need complex environments, to support complex life, in order that it can survive complex environmental conditions, so that they can become complex. Sure adds a layer of complexity.
Lava is a necessary catalyst in the creation of RNA.
I very well can imagine scientists on a planet without tectonic figuring the impossibility of life on a tectonic planet
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Top Comments (10)
The Drake equation and the Fermi paradox are perfect examples of how math can be used to model anything but how that model may not necessarily have any basis in reality.
I read about tectonic plates being essential for advanced life on earth in the book Improbable Planet by Hugh Ross (highly recommended). In addition to tectonic plates, there are actually a ton of other attributes that make earth exceedingly unique and suitable for advanced life (i.e. more than just Goldilocks zone, magnetic field, and water), including the type of galaxy we're in, our location within the galaxy, the type of star we orbit, the size and position of the other planets in the solar system, the elemental composition of earth, the size of the moon, the earth's tilt.. the list goes on - it's mind blowing that more people aren't talking about all of these factors together..
We have only been in a position to effectively receive signals from space during my lifetime. Compare that with the time it takes for planets to form and life to evolve to our level. It is very unlikely that two advanced civilisations on separate planets would ever coincide in real time. It would be similar to two people roaming an empty area the size of the Sahara Desert, meeting by chance, in the first week.
I always enjoy Fermi Paradox videos.
Starship Troopers "it's AFRAID" meme, with "Fermi Paradox" written on the brain bug. We aren't "solving" it. We're just looking at it with an increasing academic desperation. We probably have at least one bad assumption.
4:22 - "Something makes Earth special". My money is on the moon... Impact forces from its creation event to get plate tectonics going, and tidal forces after to sustain it.
This would actually make a lot of sense and I have thought about this idea before. I have read about how the Theia impact which created the moon was something that helped to give the earth its magnetic field, and also played a role in giving the earth plate tectonics, both of which are crucial for life on earth (plate tectonics creates hydrothermal vents and is the reason that life was able to leave the ocean). These are very specific events that would drastically reduce the amount of planets that can support life.
The take away seems to be: you need complex environments, to support complex life, in order that it can survive complex environmental conditions, so that they can become complex. Sure adds a layer of complexity.
Lava is a necessary catalyst in the creation of RNA.
I very well can imagine scientists on a planet without tectonic figuring the impossibility of life on a tectonic planet