Do Aliens actually exist ?

Were those Tic Tac vids ever untangled?
I remember reading a discussion on this science forum (something I happened upon...). Some incredibly clever folks on there unwrapping the mysteries of science. Obviously many work as a profession in that realm.
No explanations from them (apart from one who started a 'row' over the fact he was convinced it was a fly on the window... :)

Seems like there's some tech flying around from somewhere, but I'm struggling in 2020 to stomach top secret conspiracies...
 
Is there life elsewhere in the Universe? Everywhere at the microbial level.
Are there intelligent aliens? Yes.
Are there any space faring intelligent aliens? Yes but nowhere near as many.
Are there any intelligent aliens anywhere near us? No. Not anywhere in the time frame of the observable universe.
Why? Fermi Paradox - too many great filters. For example:
- No hot Jupiter clearing out the inner planets.
- Jupiter to catch most of the asteroids heading into the inner solar system.
- Saturn preventing Jupiter travelling into the inner solar system.
- Planet in goldilocks zone.
- Planet with large magnetic field.
- Planet with large moon that limits axial tilt.
- Planet with shattered crust resulting in tectonic plates so surface isn't resurfaced every billion years or so.
- just the right amout of water.
- just the right amount of atmosphere.
- Eukaryote (multicelular) life
- Intelligent life.
- Planet small enough for the rocket equation to let intelligent life to get into space.
- Intelligent life doesn't wipe itself out.
 
Last edited:
BlueAnorak said:
Is there life elsewhere in the Universe? Everywhere at the microbial evel.
Are there intelligent aliens? Yes.
Are there any space faring intelligent aliens? Yes but nowhere near as many.
Are there any intelligent aliens anywhere near us? No. Not anywhere in the time frame of the observable universe.
Why? Fermi Paradox - too many great filters. For example:
- No hot Jupiter clearing out the inner planets.
- Jupiter to catch most of the asteroids heading into the inner solar system.
- Planet in goldilocks zone.
- Planet with large magnetic field.
- Planet with large moon that limits axial tilt.
- Planet with shattered crust resulting in tectonic plates so surface isn't resurfaced every billion years or so.
- just the right amout of water.
- just the right amount of atmosphere.
- Eukaryote (multicelular) life
- Intelligent life.
- Planet small enough for the rocket equation to let intelligent life to get into space.
- Intelligent life doesn't wipe itself out.
Click to expand...
What will wipe us intelligent beings out is the simple fact the Sun is getting hotter, and Earth will be a scorched, lifeless rock in 500 million years.

I don't have a problem with the belief that intelligent life exists elsewhere in space, but the life giving properties of a central sun are finite. There may well be civilised worlds out there, but their fate is as fixed as ours.

Ultimately, we, and they, are doomed.
 
NPBlue said:
What will wipe us intelligent beings out is the simple fact the Sun is getting hotter, and Earth will be a scorched, lifeless rock in 500 million years.

I don't have a problem with the belief that intelligent life exists elsewhere in space, but the life giving properties of a central sun are finite. There may well be civilised worlds out there, but their fate is as fixed as ours.

Ultimately, we, and they, are doomed.
Click to expand...
Unless we move somewhere else.
 
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