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Getbig Main Boards => Gossip & Opinions => Topic started by: 240 is Back on September 25, 2013, 07:08:26 AM

Title: Life On Earth Likely to End in 2.25 Billion Years
Post by: 240 is Back on September 25, 2013, 07:08:26 AM
I've got good news and bad news. The good news is that the Earth won't be destroyed by the inevitable heat death of the universe. The bad news is that the planet will be wiped out long before that, between 1.5 billion and 2.25 billion years from now, according to a new study by Andrew Rushby was recently published in Astrobiology.

You see, when our Sun starts running out of hydrogen fuel, it will expand until it swallows Mercury and Venus, and potentially even expands into our orbit. Obviously, this means bad things for anything left on Earth. Even if the Sun doesn't grow large enough to reach Earth's orbit, you don't want to hang around waiting for the oceans to boil away and the atmosphere to burst into flame. Trust me, you'll have a bad time.

So why study an event so unimaginably far in the future? Because it can give us a better idea of where to look for intelligent life outside our solar system. We've detected almost a thousand planets using a variety of methods around a few hundred stars in our galactic neighborhood. That's all well and good, but if the goal is to find life on other solar systems, finding planets is just the first step.

Given what we know about life on Earth, we assume that liquid water is required. That narrows down the potential billions of planets in the galaxy to only the ones that are the right size to hold an atmosphere at the right temperature and pressure for liquid water to exist. Planets that meet these conditions are said to be in the habitable zone.

At this point, it's important to note that it took a long time for life to evolve on Earth. The planet was formed about five billion years ago, it took between one and two billion years for basic microscopic life to evolve. Add another three billion years, give or take, between the rise of single-cellular life and the evolution of man, the taming of the atom and the invention of the digital watch. For simplicity sake, lets say it took 4 billion years for complex life to evolve on Earth. So, if astrobiologists want to avoid looking for life in all the wrong places, they need to consider the time that a planet will be habitable as well.

So that's why Rushby and his cohorts are studying the Sun's endgame. They're adding to the model that astrobiologists use to predicts the likelihood of the evolution of life into intelligent life, based on the long-term habitability of an exoplanet's star.

Now, with only a billion years and change left here on earth, I hope George R.R. Martin finally buckles down and finishes his Game of Thrones books.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Army of One on September 25, 2013, 07:38:25 AM
Considering we'll be living on mars within 20 years I don't see it being a huge deal
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Agnostic007 on September 25, 2013, 08:20:34 AM
With god all things are possible  ::)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: MORTALCOIL on September 25, 2013, 09:23:47 AM
Just enough time for me to get one last kebab with fries and spicy sauce.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: R.A.M. on September 25, 2013, 10:07:10 AM
Glad my generator is coming in tomorrow!!! Dodged a bullet there. :o
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: MORTALCOIL on September 25, 2013, 10:08:55 AM
Wiggs isn't clicking on this thread before 2016.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: tommywishbone on September 25, 2013, 10:27:00 AM
So I should or shouldn't pay that cable bill?
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Archer77 on September 25, 2013, 10:37:34 AM
Jesus will return long before that!
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Nirvana on September 25, 2013, 10:59:46 AM
Just move north
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Trapper_Slapper on September 25, 2013, 11:03:21 AM
Just enough time for me to get one last kebab with fries and spicy sauce.

Fuck yeah!  8)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Fortress on September 25, 2013, 11:06:38 AM
Couldn't give a rat's ass.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Necrosis on September 25, 2013, 11:28:50 AM
Considering we'll be living on mars within 20 years I don't see it being a huge deal

Not sure if doesn't realize this won't fix problem :(
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Cableguy on September 25, 2013, 11:34:05 AM
Great post 240, especially the last sentence...  :)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: littledumbells on September 25, 2013, 02:13:33 PM
  This prediction is all well and good, assuming an asteroid does not wipe the earth out or some superbug levels humanity
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: DanielPaul on September 25, 2013, 03:24:45 PM
Just up the dose and everything will be fine 8)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Obvious Gimmick on September 25, 2013, 03:31:03 PM
Most getbiggers will be dead several years before that  ::)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: arce1988 on September 25, 2013, 03:35:50 PM
(http://www.expert-chess-strategies.com/images/king-ending-1.jpg)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Kwon_2 on September 25, 2013, 03:39:48 PM
I don't mind at all.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Undisputed on September 25, 2013, 05:45:05 PM
Interesting....does this change anything with the post-workout window
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Natural Man on September 25, 2013, 05:54:42 PM
mankind is just another animal specie that s going to go extinct, just like every other animal or vegetal species do once they cant adapt, evolve anymore.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Bevo on September 25, 2013, 05:57:16 PM
mankind is just another animal specie that s going to go extinct, just like every other animal or vegetal species do once they cant adapt, evolve anymore.

That could be a good thing
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: nasht5 on September 25, 2013, 05:57:52 PM
2025 Billion years? ..... I might have time to payoff medical bills.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Mr Nobody on September 25, 2013, 05:58:59 PM
Looks good I can't wait.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: arce1988 on September 25, 2013, 06:00:38 PM
 ;)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Natural Man on September 25, 2013, 06:00:55 PM
That could be a good thing
So you re a human who think humans shouldnt exist. Why dont you off yourself then. Oh wait, it's like the 99999th time someone says that dumb shit.
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Teutonic Knight on September 25, 2013, 06:02:10 PM
Just move north

South choices:
-Tasmania
-New Zealand
-Macquarie island
-Antarctica
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: arce1988 on September 25, 2013, 06:28:21 PM
(http://i.dailymail.co.uk/i/pix/2013/02/09/article-2276200-17742650000005DC-639_632x846.jpg)
Title: Re: Life On Earth Likely to End in 2.25 Billion Years
Post by: Gonuclear on September 25, 2013, 09:19:41 PM
I've got good news and bad news. The good news is that the Earth won't be destroyed by the inevitable heat death of the universe. The bad news is that the planet will be wiped out long before that, between 1.5 billion and 2.25 billion years from now, according to a new study by Andrew Rushby was recently published in Astrobiology.

You see, when our Sun starts running out of hydrogen fuel, it will expand until it swallows Mercury and Venus, and potentially even expands into our orbit. Obviously, this means bad things for anything left on Earth. Even if the Sun doesn't grow large enough to reach Earth's orbit, you don't want to hang around waiting for the oceans to boil away and the atmosphere to burst into flame. Trust me, you'll have a bad time.

So why study an event so unimaginably far in the future? Because it can give us a better idea of where to look for intelligent life outside our solar system. We've detected almost a thousand planets using a variety of methods around a few hundred stars in our galactic neighborhood. That's all well and good, but if the goal is to find life on other solar systems, finding planets is just the first step.

Given what we know about life on Earth, we assume that liquid water is required. That narrows down the potential billions of planets in the galaxy to only the ones that are the right size to hold an atmosphere at the right temperature and pressure for liquid water to exist. Planets that meet these conditions are said to be in the habitable zone.

At this point, it's important to note that it took a long time for life to evolve on Earth. The planet was formed about five billion years ago, it took between one and two billion years for basic microscopic life to evolve. Add another three billion years, give or take, between the rise of single-cellular life and the evolution of man, the taming of the atom and the invention of the digital watch. For simplicity sake, lets say it took 4 billion years for complex life to evolve on Earth. So, if astrobiologists want to avoid looking for life in all the wrong places, they need to consider the time that a planet will be habitable as well.

So that's why Rushby and his cohorts are studying the Sun's endgame. They're adding to the model that astrobiologists use to predicts the likelihood of the evolution of life into intelligent life, based on the long-term habitability of an exoplanet's star.

Now, with only a billion years and change left here on earth, I hope George R.R. Martin finally buckles down and finishes his Game of Thrones books.



I've got bad news and devastating news.    The bad news is that long before a billion years from now, mankind may well be exterminated by a large asteroid or comet hitting the Earth, or perhaps the eruption of a super volcano like the one underneath Yellowstone Park.  Or a nuclear war.

The devastating news is that any of these events could happen tomorrow.