by nandhugp
ยป Thu Jul 7 2016 00:06:34
These alien invasion can happen in real life
So the Universe is pretty huge and its very possible that this can happen in real life.After watching the movie I started researching more about aliens and found that they might be real. This video is also very https://www.youtube.com/watch?v=DyOJPeYJ_ss
So it is possible that alien invasion is possible.
Bullsh!t. Yes, primitive, single cell life on other planets in our galaxy is possible and even probable.
But it is extremly, extremly, extremly, extremly, extremly, extremly, extremely improbable that there is another intelligent higher technical civilization in our galaxy in our present time.
So many perfect good coincidences have to happen to create a live friendly planet in the right size and position and course in a matching solar system with the right sun type in the right position between two spiral arms of a galaxy in the right distance from the dangerous center of a galaxy with the many exploding stars and novae and wandering black holes in it.
The Earth had the perfect collision with a Mars sized planet billions of years ago which created our very big Moon - compared to the other planets and moons in our solar system. Our Moon stabilized the spinning of the Earth and created a good climate over the billions of years.
The big planets Jupiter, Saturn and Uranus protected the Earth with their strong gravity and catched 90 to 99% of all dangerous wandering comets and asteroids over the billions of years.
But there were still some big asteroid collisions on Earth - but not too big - to drive evolution and create new animal species. For example 65 million years ago, when the dinosaurs were exterminated but the mammals became the big chance.
Furthermore a planet needs good live friendly smooth climate, free water, some plate tectonics, minerals, oceans, salt, vulcanic activity, free oxygen, some earthquakes to bring evolution ahead. But not too strong and not too often!
Earth had all that in a perfect combination. Yet homo sapiens was nearly exterminated IIRC ca. 75000 years ago in a climate catastropy. We had incredible luck!
There are so many positive factors needed for a good avolution and so many negative factors which could destroy all higher life on a planet.
Summary: Extraterrestrial life is possible in our galaxy. Bacterias, fungus, algae atc. But no second intelligent civilization.
Maybe Andromeda galaxy has one higher technical civilization in our lifetime too.
But whatever, all interstellar and intergalactic distances are far too big for spaceships to travel and visit other possible civilizations.
Look at Ockham's razor.
https://en.wikipedia.org/wiki/Occam's_razor
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