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	<title>Comments on: Earths may be common in the galaxy</title>
	<atom:link href="http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/</link>
	<description>I am an astronomer, writer, and skeptic. I likes reality the way it is, and I aims to keep it that way. My real name is Phil Plait, and I run the Bad Astronomy blog.</description>
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		<title>By: Guest User</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-213437</link>
		<dc:creator>Guest User</dc:creator>
		<pubDate>Wed, 16 Sep 2009 05:55:38 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-213437</guid>
		<description>there have to be more planets out there like earth we still dont know even a full 1% of our existance.take a good look at the planets its like a rose tree they bloom at a time when one go another comes, we see them all as dead planet some may have florish and died while the others are know building,earth took millions of man years to develope.so know one now or for millions of years will be able to solve the universe mystry .we are a dot in the universe microscopic  from certain distance.  we mankind is a virus to the planet,we will suck it dry and move on.</description>
		<content:encoded><![CDATA[<p>there have to be more planets out there like earth we still dont know even a full 1% of our existance.take a good look at the planets its like a rose tree they bloom at a time when one go another comes, we see them all as dead planet some may have florish and died while the others are know building,earth took millions of man years to develope.so know one now or for millions of years will be able to solve the universe mystry .we are a dot in the universe microscopic  from certain distance.  we mankind is a virus to the planet,we will suck it dry and move on.</p>
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		<title>By: leah</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-198756</link>
		<dc:creator>leah</dc:creator>
		<pubDate>Tue, 14 Jul 2009 17:38:51 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-198756</guid>
		<description>if thr r other &quot;earths&quot; then thr has to be water and land. if you think back to us, humans, then it goes back to the question how we were formed. was it some chemical or was it god himself?i do believe in god but not him entirely about creating us.That goes back to the question of other life forms. is it really possible that could happen, or is it just an illusion about there being more earths?perhaps in the future they may be more research, but i don&#039;t think that anyone could prove how we were actually formed.</description>
		<content:encoded><![CDATA[<p>if thr r other &#8220;earths&#8221; then thr has to be water and land. if you think back to us, humans, then it goes back to the question how we were formed. was it some chemical or was it god himself?i do believe in god but not him entirely about creating us.That goes back to the question of other life forms. is it really possible that could happen, or is it just an illusion about there being more earths?perhaps in the future they may be more research, but i don&#8217;t think that anyone could prove how we were actually formed.</p>
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		<title>By: khrystal</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-190129</link>
		<dc:creator>khrystal</dc:creator>
		<pubDate>Tue, 09 Jun 2009 08:53:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-190129</guid>
		<description>i was just wondering. what if the earth is the most backwards of all life in the universe. What if  &quot;the others&quot; can see us but we cant see them. They may be trying to contact us but we cant hear them. Very interesting topic.</description>
		<content:encoded><![CDATA[<p>i was just wondering. what if the earth is the most backwards of all life in the universe. What if  &#8220;the others&#8221; can see us but we cant see them. They may be trying to contact us but we cant hear them. Very interesting topic.</p>
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		<title>By: Torbjörn Larsson, OM</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-70882</link>
		<dc:creator>Torbjörn Larsson, OM</dc:creator>
		<pubDate>Thu, 06 Mar 2008 22:56:51 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-70882</guid>
		<description>Old thread, no time. FWIW., @ andy:

Sure, dry Venus. I&#039;ve seen the idea, but IIRC a geologist I discussed it with was skeptical. And rightly the dryness can be an effect of the lack of plates, and the atmosphere that gave.

But I see your point about the lack of answers (or even correct questions) all around. Thanks for the answer!</description>
		<content:encoded><![CDATA[<p>Old thread, no time. FWIW., @ andy:</p>
<p>Sure, dry Venus. I&#8217;ve seen the idea, but IIRC a geologist I discussed it with was skeptical. And rightly the dryness can be an effect of the lack of plates, and the atmosphere that gave.</p>
<p>But I see your point about the lack of answers (or even correct questions) all around. Thanks for the answer!</p>
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		<title>By: Thohry</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-70881</link>
		<dc:creator>Thohry</dc:creator>
		<pubDate>Tue, 26 Feb 2008 21:32:04 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-70881</guid>
		<description>OK, there may be numerous Earth like planets out there, but it is a long way until we can &#039;see&#039; those planet and even very very long way before we can see if there are any sign of life over there.</description>
		<content:encoded><![CDATA[<p>OK, there may be numerous Earth like planets out there, but it is a long way until we can &#8217;see&#8217; those planet and even very very long way before we can see if there are any sign of life over there.</p>
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		<title>By: Snake</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-70880</link>
		<dc:creator>Snake</dc:creator>
		<pubDate>Mon, 25 Feb 2008 10:51:39 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-70880</guid>
		<description>Its not whether our galaxy and others are teaming with life,its about interstellar travel.Hell even i have to stop for coffee when i travel by car.</description>
		<content:encoded><![CDATA[<p>Its not whether our galaxy and others are teaming with life,its about interstellar travel.Hell even i have to stop for coffee when i travel by car.</p>
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		<title>By: Tom Marking</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/comment-page-1/#comment-70879</link>
		<dc:creator>Tom Marking</dc:creator>
		<pubDate>Thu, 21 Feb 2008 17:33:19 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/02/18/earths-may-be-common-in-the-galaxy/#comment-70879</guid>
		<description>The 80/20 rule or so called Pareto Law seems to be a variation of Zipf&#039;s Law which is used in linguistics:

http://en.wikipedia.org/wiki/Zipf%27s_law

This is nothing but a power law distribution which frequently occurs in nature in a variety of settings.  Not sure how it applies to extraterrestrial life or how it helps us find it.</description>
		<content:encoded><![CDATA[<p>The 80/20 rule or so called Pareto Law seems to be a variation of Zipf&#8217;s Law which is used in linguistics:</p>
<p><a href="http://en.wikipedia.org/wiki/Zipf%27s_law" rel="nofollow">http://en.wikipedia.org/wiki/Zipf%27s_law</a></p>
<p>This is nothing but a power law distribution which frequently occurs in nature in a variety of settings.  Not sure how it applies to extraterrestrial life or how it helps us find it.</p>
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