How Much Longer Will We Be Here?


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While I've never really enjoyed thinking in traditional science terms, there are a few topics in science which really grab my attention and get me thinking. I recently discovered this article which offered new research estimating the lifespan of planet Earth. I have always been fascinated by the idea of being a small part of something greater than myself in the scope of human history on Earth. It truly is a miracle to me that intelligent life has formed on Earth and it's pretty cool to be a part of that. 

The miracle of our existence will eventually come to an end, and I am extremely curious as to how that will happen. Astrobiologist Andrew Rushby predicts that "Earth will cease to be habitable somewhere between 1.75 and 3.25 billion years from now. After this point, Earth will be in the 'hot zone' of the sun, with temperatures so high that the seas would evaporate. We would see a catastrophic and terminal extinction event for all life." This quotation grabbed my attention because it is the first estimation I have heard of the countdown of human history. If we can make it to that 1.75 to 3.25 billion year mark, the seas evaporating sounds like an epic way to go out. I unfortunately believe that we are on a path to end our own history before natural forces do. Environmental research throughout the last few decades should be a warning to humanity that we are on course to prematurely end the history of our species. But if our generation's leaders are careful, 1.75 to 3.25 billion years is plenty of time for me. 


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1 Comment

This is such an interesting blog! I never really thought about how long the human race would be around, let alone ending it "early" because of how we live our lives. Here's an interesting article I found on the topic, http://www.universetoday.com/25367/how-long-will-life-survive-on-earth/, which I think is a good topic for the human race to think about!

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