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Humans must find new planets to survive


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#1    Still Waters

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Posted 06 May 2012 - 02:34 PM

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Finding planets outside our solar system that can sustain life should be made a top priority, say Australian astronomers.

Understanding habitability and using that knowledge to locate the nearest habitable planet may be crucial for our survival as a species, writes Dr Charley Lineweaver and PhD student Aditya Chopra of the Australian National University in the Annual Reviews of Earth and Planetary Sciences.

Lineweaver and Chopra reviewed current research examining environments where life is found on Earth and the environments thought to exist on other planets.

Since the first discovery of a planet orbiting another star was made in 1995, the number of exoplanets has skyrocketed to more than 750. While a small handful of these planets are known to be 'Earth-like', astronomers are a long way from knowing whether they can sustain life.

"Determining whether these planets are habitable has become the new holy grail of astronomy," says Lineweaver. "It's probably one of the biggest, most confusing, and important issues that planetary scientists are going to have to deal with in the next 10 to 20 years."

http://www.abc.net.a.../27/3490608.htm

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#2    _Only

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Posted 06 May 2012 - 02:40 PM

They can keep looking around outside.

I'll keep looking inside.

"I think there may be "ghost phenomenon" that may be still not fully understood or dismissed, but that doesn't make it spirits of the dead, anymore than "UFO" means "spaceship" or even "UFO" or "spaceship" is directly related to aliens, or anything else. There is way too much assumption and a baseless reliance on anecdotal lore, like when people assert this or that about the spirit world or the astral plane or Ouija board demons, or religion. I say 'says WHO?'" - Paranormalcy

#3    hooko22

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Posted 06 May 2012 - 02:53 PM

View PostStill Waters, on 06 May 2012 - 02:34 PM, said:


Imagine if we had used the same money we used for warfare the last ten years or so. You and me would have beemed to work startrek style! ;)

But yea i completely agree we need to start thinking more about space exploration!

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#4    DoesntReallyLike

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Posted 06 May 2012 - 02:57 PM

I think this is true, but I also think people underestimate the sustainability of earth. Look at how many people occupy the relatively small geographic space of large cities. If you lived in a small or average sized city, how much space could you free up for farming or drilling or some other resource if everyone sold off their one-level ranch homes and surrounding land and instead packed into a couple of high-rise buildings. I don't believe this this would likely happen soon, but if it were matter of survival people would do so. I think the time that we have before the Earth becomes truly unsustainable is so much longer than anyone could imagine, that we will probably have the ability to colonize other planets long long before we could ever need that option just to survive.


#5    95-Nasty

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Posted 06 May 2012 - 03:07 PM

We will Eventually.... We just need to exploit this planet further and wait for some sort of major earth disaster or catastrophe. Seems to me that we need the world to UNITE!

Edited by 95-Nasty, 06 May 2012 - 03:08 PM.


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#6    Ever Learning

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Posted 06 May 2012 - 03:30 PM

Im not saying we shouldnt be looking for other planets to live on, but theres so much we can do in the mean time. we should try building underwater civilizations in the sea, conquer nature and thrive in the most inhospitable places on the earth. As for space, lets build orbiting civilizations and try to inhabit the moon. These are all tempory solutions that will have alot of difficulties in suceeding, but once we accomplish all this, we will have learnt so much more about foreign enviroments.  Why should we think about running before we can walk.

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#7    _Only

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Posted 06 May 2012 - 03:42 PM

View PostArmchair Educated, on 06 May 2012 - 03:30 PM, said:

Im not saying we shouldnt be looking for other planets to live on, but theres so much we can do in the mean time. we should try building underwater civilizations in the sea, conquer nature and thrive in the most inhospitable places on the earth. As for space, lets build orbiting civilizations and try to inhabit the moon. These are all tempory solutions that will have alot of difficulties in suceeding, but once we accomplish all this, we will have learnt so much more about foreign enviroments.  Why should we think about running before we can walk.

Yeah. It seems a childish way to think.

"Well, we've pretty much botched this planet. Well, don't we feel silly. Hey, let's find a new one."

Expecting the events on the new planet to end up any differently. It would seem the most fitting and correct thing to do to do the best to fix our problems here, than to toss our hands up and move.

"I think there may be "ghost phenomenon" that may be still not fully understood or dismissed, but that doesn't make it spirits of the dead, anymore than "UFO" means "spaceship" or even "UFO" or "spaceship" is directly related to aliens, or anything else. There is way too much assumption and a baseless reliance on anecdotal lore, like when people assert this or that about the spirit world or the astral plane or Ouija board demons, or religion. I say 'says WHO?'" - Paranormalcy

#8    hooko22

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Posted 06 May 2012 - 04:05 PM

View Post_Only, on 06 May 2012 - 03:42 PM, said:

Yeah. It seems a childish way to think.

"Well, we've pretty much botched this planet. Well, don't we feel silly. Hey, let's find a new one."

Expecting the events on the new planet to end up any differently. It would seem the most fitting and correct thing to do to do the best to fix our problems here, than to toss our hands up and move.

Well it is long time thinking as well. If we want to survive as a species we have to keep in mind that our sun will not last forever. Obviously it will be millions of years before it goes out but we have to find a new place before that time arrives.

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#9    95-Nasty

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Posted 06 May 2012 - 04:17 PM

I agree we must find a new planet to survive, but i cant see that happening until we put all pull together and unite as a 'world' and not just as a nation! But, then what? Wel exploit that planet, war with our neighbours etc... It will be earth all over again.... Then wel be saying 'We need to find another plant to survive' and on and on and on..... Etc! Will we ever learn? Or are we just a Parasite feeding on our host?

Edited by 95-Nasty, 06 May 2012 - 04:17 PM.


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#10    questionmark

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Posted 06 May 2012 - 04:40 PM

Well duh, we are about to burn this one up..so I guess we need a new one..to burn up too

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#11    Sakari

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Posted 06 May 2012 - 05:17 PM

I find it funny.........Let's not fix the problem, let's just spread the fricken' disease........


When will anyone important enough get it?


Where is the plague, or the giant meteor........It is soooooooooo over due.

Edited by Sakari, 06 May 2012 - 05:18 PM.

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#12    StarMountainKid

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Posted 06 May 2012 - 05:44 PM

Here's an interesting, but lengthy, article on Earth's population, sustainability and Carrying Capacity:
http://dieoff.org/page112.htm

I'm sure we will discover an Earth-like planet in the near future, but how do we get there, and how many of us would be able to make the voyage? Not many, I would think. I don't think this is the answer to the overpopulation of our planet.

It may be an answer to the continuation of the human race, but what about all of us who must remain behind? I think solving the problem of the sustainability of the population on the Earth is more important than the future possibility of traveling to other planets.

Edited by StarMountainKid, 06 May 2012 - 05:46 PM.

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#13    Mikko-kun

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Posted 06 May 2012 - 05:49 PM

I wonder... if we moved to another planet, how would the horoscope systems act there... this would be extremely interesting in terms of astrology.

That aside, I think that as soon as humanity as a whole realises that it's all about first individual effort and then combined effort, not vice versa, we'll become more able to deal with our problems and old wounds of lifetimes of bad karma will be healed. I'm not saying we shouldn't support one another, but we should observe how our support affects supported person's ability to stand on one's own feet.

I think continuation of human race is more important than survival of as many as possible. We are overpopulated anyways, and everyone will anyways experience death. From the perspective "there's no next life" it shouldn't matter anyways, nor from perspective "we can move our spirits over planetary boundaries". It should only matter if our solar system is destroyed by sun's death and our spirits remain 'prisoned' in this then-dead planet's remains instead of going to another realm.

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#14    95-Nasty

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Posted 06 May 2012 - 06:03 PM

If we do move on to other planets we'l destroy them, use them up and move on... Humanity is a Plague a Disease a Cancer!


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#15    _Only

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Posted 06 May 2012 - 06:50 PM

View Post95-Nasty, on 06 May 2012 - 04:17 PM, said:

Or are we just a Parasite feeding on our host?

Oh, crap.

"I think there may be "ghost phenomenon" that may be still not fully understood or dismissed, but that doesn't make it spirits of the dead, anymore than "UFO" means "spaceship" or even "UFO" or "spaceship" is directly related to aliens, or anything else. There is way too much assumption and a baseless reliance on anecdotal lore, like when people assert this or that about the spirit world or the astral plane or Ouija board demons, or religion. I say 'says WHO?'" - Paranormalcy




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