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Are We Alone?


The universe !!! This is one of the many unanswered questions that humans have had for a long time, from the time when Homo sapiens came out of the caves to search for fire and plan to build settlements on Mars.What is the universe? how it origins ? the biggest question among all of those are are we alone ? .well people have so many theories but the truth is we don't know exactly it!!!

can we be alone this big universe?just forget about the universe and think about milky way which we are living it's even big that we cannot imagine.researchers are saying that it has more than 10 billion starts.if its how can we imagine the scale of the universe?even from those numbers there are lot of planets which located in the habitable zones which are suitable for the living things.so we can think there is lot of chance out there to have a lives beyond us in the universe.and the other thing is there is no rule that all lives should be origin based on carbon element.why cannot we think about a life based on silicon like transformers?when we think like that next question is the definition of life that we are agreed is correct?.anyway where are you guys?



why they are not coming to see us like Hollywood films? In the other hand as i think lot of films about alience are not accurate.lets talk about those films in another article!



Before we dive into the topic lets do some background research.According to the facts we know age of our universe is about 13.8 billion years.according to that scale all of the things we know ,for a example originate of all the religious that exists were happened like in the last minute just passed.In the other words universe is so old.severel years back a scientist invented a scale called kardashev scale to categories developed civilizations in the universe if exists.according to this scale there are type of alience named type one type two type three and so on.humans are in type 0 category even though we have advanced technologies,this much.when we think about the age of the universe its enough time to developed a type 3 civilization.Its very difficult to become thype 3 even if they are will run the whole galazy.if its exist they should meet us.then why we cannot see them?



In this point The Great Filter concept comes to the play.according to this concept when a civilization developing from type 0 to type 3 there is a barrier came to destroy the whole civilization.Thats why we cannot see that kind of advanced civilization even in this much old universe according to the great filter concept.even now we are at the top of nuclear energy.even now we have nuclear wepons that can destroy our planet to the dust.but still we are at the type 0 right? then you can think about the advancement of type 3 civilization!!!



so according to that concept could we destroy before become type 3 civilization?Yes it might be happend.but some scientists are saying we already pass that great filter anyway.they are saying it is the moment ,when all elements get together to create a basic cell for life.but we don't know exactly about it.it could be coming on the way may be.who knows!

in this article i talked about only one reason to not seeing alience yet .there are so many interesting theories yet to discuss.Lets talk about those theories later.



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