As per the new theory that is coming up, with Sun getting older and growing hot, the temperature on earth will initiate a lot of chemical reactions resulting in depletion of Carbon-di-oxide.
This depletion of CO2 will affect the photosynthesis process in plants reducing their chances of existence. Whole of the food chain will thus be effected, where herbivorous animal rely on plants and carnivorous animals depend on herbivorous animals. This way whole of the living organisms will end up dead leaving on micro organisms behind who also will end over the time.
The theory is based on computer simulated predictions of Sun's effect on Earth over coming years. Now the theory on one hand sounds very logical and one can believe it. I just have few doubts before I can wholeheartedly believe it.
First of all, 2 billion years is a very big time. I wonder if life would really survive that long considering the way we are exploiting natural sources.
Second, if temperature on earth increases, it will first of affect water sources on earth, be it glaciers or river/sea/ocean system. Before any other kind of chemical reaction can take place, existence of water on earth will be the prime issue.
Third, if at all humans survive over such a long period, won't they already have made some arrangements to cope with the increasing temperature and retaining life on Earth.
This upcoming new theory is again a prediction, just like the Mayan calender. Whether to believe it or not is one's choice. People believed in the theory of end of the world in 2012 but it proved wrong. If this theory is to be believed, we surely have a long time in hand to prepare for it. In the mean time, I believe some new theory will arise and we won't need to prepare for this theory.
You can read about it in more details on this link:
http://www.telegraph.co.uk/science/science-news/10154162/2000002013AD-the-year-the-world-will-end.html
or
http://articles.timesofindia.indiatimes.com/2013-07-02/science/40328844_1_earth-2-billion-years-life
or
http://articles.timesofindia.indiatimes.com/2013-07-02/science/40328844_1_earth-2-billion-years-life
Photo taken from: http://the-lock.net/end-of-the-world/
5 comments:
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Doc .. i believe humanity has an immense ability of adapting to odds and even if there is a total devastation .. out of the multi - billion human beings .. few will still survive all odds and adapt accordingly ! Recently I was reading an article on how the kids of the age are 10 times smarter than what kids used to be two decades back.. life of human is getting shorter .. and intelligence level is going higher ...
hence setting up deadlines or foreseeing an issue would mean brains thinking of .. solution beforehand .. if it has to be a calamity to white-wash life from earth,it has to be sudden else human race will exist .. temp above 100 as well .. i feel .. what is impossible today can be normal tomorrow !!
totally agree with every word your wrote. I am pretty sure Humans won't be the first ones to be extinct from this earth. They would surely survive any calamity that comes upon them.
That's quite an info to me. But then, if nature and planets decide to call it a quit, who can wish away their action. I wish to read more in this topic.
I don't have an answer to your question. Astrobiologist Jack O'Malley James who is behind this prediction will present his results soon in RAS meeting soon. Then we will get a better picture behind this prediction.
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