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inhabitable to us doesn't mean inhabitable to life that could have evolved on it and I think the only claim the scientific community has made is that it lies in the Goldilocks zone and it's not too massive.
No one is saying there's life there, or even that it's likely. They're saying it's probably reasonably close to earths size and temperature. They have no idea what kind of atmosphere etc it has yet.
I think life is probably more abundant than a lot of people think. A lot of people assume that there has to be oxygen, carbon dioxide, water etc for life to exist. It's simply not true. There are organisms on Earth that don't require any of those things to survive, and they evolved with an abundant source of these things.
Life is however more likely to be carbon based than not as carbon lends itself to large molecule chains due to the number of electons in its outer energy level. Not that it would be impossible for life to evolve out of say silicon. It would just be a lot more limited and a lot less likely.
I think water is quite common in the universe as well. Hydrogen is by far the most common element in the universe and is the main ingredient in water.
It's difficult for us as a species to identify what would be a habitable planet as we're extremely biased. We have no reference for what types of life are possible besides our own so we tend to define life as requiring the same things we do. The only real requirements for life are some form of energy, some kind of mass and an environment it can survive in. You might even be able to debate whether it needs the mass (I wouldn't though).
I think life is probably more abundant than a lot of people think. A lot of people assume that there has to be oxygen, carbon dioxide, water etc for life to exist. It's simply not true. There are organisms on Earth that don't require any of those things to survive, and they evolved with an abundant source of these things.
Life is however more likely to be carbon based than not as carbon lends itself to large molecule chains due to the number of electons in its outer energy level. Not that it would be impossible for life to evolve out of say silicon. It would just be a lot more limited and a lot less likely.
I think water is quite common in the universe as well. Hydrogen is by far the most common element in the universe and is the main ingredient in water.
It's difficult for us as a species to identify what would be a habitable planet as we're extremely biased. We have no reference for what types of life are possible besides our own so we tend to define life as requiring the same things we do. The only real requirements for life are some form of energy, some kind of mass and an environment it can survive in. You might even be able to debate whether it needs the mass (I wouldn't though).
The only real requirements for life are some form of energy, some kind of mass and an environment it can survive in.
No one has any idea. You have no idea. No one does. Life may be completely unique to Earth. It might require an exceptionally rare cosmic event to "ignite" it from the requisite building blocks.
Life is however more likely to be carbon based than not as carbon lends itself to large molecule chains due to the number of electons in its outer energy level. Not that it would be impossible for life to evolve out of say silicon. It would just be a lot more limited and a lot less likely.
I think water is quite common in the universe as well. Hydrogen is by far the most common element in the universe and is the main ingredient in water.
Holy ****, Mr. Wizard. Thanks for the 4th grade science lesson. Water is made up of mainly Hydrogen?? No way.
Disclaimer:
To make a long story short, I don't take any responsibility for anything I post here. It's not news, it's not truth, it's not serious. It's parody. It's satire. It's bitter. It's angsty. Your mother's a *****. You like to jack off dogs. That's right, you heard me. You like to grab that dog by the bone and rub it like a ski pole. Your dad? Gay. Your priest? Straight. **** off and let me post. It's not true, it's all in good fun. Now go away.
To make a long story short, I don't take any responsibility for anything I post here. It's not news, it's not truth, it's not serious. It's parody. It's satire. It's bitter. It's angsty. Your mother's a *****. You like to jack off dogs. That's right, you heard me. You like to grab that dog by the bone and rub it like a ski pole. Your dad? Gay. Your priest? Straight. **** off and let me post. It's not true, it's all in good fun. Now go away.
No one has any idea. You have no idea. No one does. Life may be completely unique to Earth. It might require an exceptionally rare cosmic event to "ignite" it from the requisite building blocks.
Nope, don't know how to start life. Still only needs energy and a survivable environment to survive.
Holy @#%^, Mr. Wizard. Thanks for the 4th grade science lesson. Water is made up of mainly Hydrogen?? No way.
You're welcome, now you'll be ahead of the class next year.
Nope, don't know how to start life. Still only needs energy and a survivable environment to survive.
Holy @#%^, Mr. Wizard. Thanks for the 4th grade science lesson. Water is made up of mainly Hydrogen?? No way.
You're welcome, now you'll be ahead of the class next year.
Still only needs energy and a survivable environment to survive.
So what you were explaining was that life needs a place where it won't die to not die?
Pretty great. You should quit whatever job you hold now, and just travel about the country lecturing on the importance of science education funding.
Disclaimer:
To make a long story short, I don't take any responsibility for anything I post here. It's not news, it's not truth, it's not serious. It's parody. It's satire. It's bitter. It's angsty. Your mother's a *****. You like to jack off dogs. That's right, you heard me. You like to grab that dog by the bone and rub it like a ski pole. Your dad? Gay. Your priest? Straight. **** off and let me post. It's not true, it's all in good fun. Now go away.
To make a long story short, I don't take any responsibility for anything I post here. It's not news, it's not truth, it's not serious. It's parody. It's satire. It's bitter. It's angsty. Your mother's a *****. You like to jack off dogs. That's right, you heard me. You like to grab that dog by the bone and rub it like a ski pole. Your dad? Gay. Your priest? Straight. **** off and let me post. It's not true, it's all in good fun. Now go away.
Yodabunny wrote:
A lot of people assume that there has to be oxygen, carbon dioxide, water etc for life to exist. It's simply not true. There are organisms on Earth that don't require any of those things to survive, and they evolved with an abundant source of these things.
Belkira wrote:
Wow. Regular ol' Joph fan club in here.
Quote:
The generally accepted requirements for life are carbon and liquid water. Feel free to cite the living organism which does not require either during its life cycle. Even viruses, which only quasi-qualify as being 'alive' require liquid water in the form of celluar plasm in order to reproduce.
Earth borne life requires these but it's not inconcievable that life from other planets don't use these.
Lefian wrote:
Quote:
The generally accepted requirements for life are carbon and liquid water. Feel free to cite the living organism which does not require either during its life cycle. Even viruses, which only quasi-qualify as being 'alive' require liquid water in the form of celluar plasm in order to reproduce.
Earth borne life requires these but it's not inconcievable that life from other planets don't use these.
It's not inconcievable for a lifeform to evolve and thrive in the hard vacuum of space. Heck! Why are we even looking for planets then?
It kinda does make sense to at least start our search by looking within the framework that we *know* works.
King Nobby wrote:
More words please
I read a book about life on other planets, and the various possibilities. I can't remember the name of it for the life of me right now, but it went on to tell what possible elements other life could be. Their main thing was Hydrogen, Carbon(like this planet), Nitrogen, and finally Oxygen. As these elements easily bond with other elements to make compounds found in life. Each had their flaws (save for carbon) as they would require too high or too low of a temperature for water. However life that is Hydrogen based wouldn't take to kindly to this planet because of its abundance of oxygen. I'm going to find out what book that was.
It also said extraterrestrial life, if it were intelligent, would be able to speak one language as we do; math. Sure the numbers are different but the concepts are unchanged. Go anywhere in the universe and 1 + 1 still is 2.
It also said extraterrestrial life, if it were intelligent, would be able to speak one language as we do; math. Sure the numbers are different but the concepts are unchanged. Go anywhere in the universe and 1 + 1 still is 2.
Quote:
It kinda does make sense to at least start our search by looking within the framework that we *know* works.
Of course but you can always look for life that has similar building blocks as carbon and water.
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