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	<title>www.Svemir.info</title>
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	<link>http://www.svemir.info</link>
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	<pubDate>Mon, 22 Dec 2008 21:46:58 +0000</pubDate>
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		<title>Svemir se širi sve brže zbog tamne energije</title>
		<link>http://www.svemir.info/?p=12</link>
		<comments>http://www.svemir.info/?p=12#comments</comments>
		<pubDate>Mon, 22 Dec 2008 21:46:57 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Novosti]]></category>

		<category><![CDATA[širenje]]></category>

		<category><![CDATA[tamna energija]]></category>

		<category><![CDATA[tamna tvar]]></category>

		<guid isPermaLink="false">http://www.svemir.info/?p=12</guid>
		<description><![CDATA[Astronomi kažu da se svemir širi i to jako brzo. Tu ekspanziju – kako se čini – izaziva tajnoviti crni prostor koji okružuje planete i zvijezde.
Zapažanja da se svemir stalno širi u sukobu su s uvriježenim stavom da će gravitacija na koncu usporiti širenje svemira, nastalog, kako kažu znanstvenici, &#8216;velikim praskom&#8217; prije oko 13 milijardi [...]]]></description>
			<content:encoded><![CDATA[<p>Astronomi kažu da se svemir širi i to jako brzo. Tu ekspanziju – kako se čini – izaziva tajnoviti crni prostor koji okružuje planete i zvijezde.</p>
<p>Zapažanja da se svemir stalno širi u sukobu su s uvriježenim stavom da će gravitacija na koncu usporiti širenje svemira, nastalog, kako kažu znanstvenici, &#8216;velikim praskom&#8217; prije oko 13 milijardi godina. Ekipa astrofizičara s Astrofizičkog opservatorija Smithsonian, pri Sveučilištu Harvard, u Massachusettsu, kaže da je otkrila dokaze da energija – koju stvara tajnovita tamna tvar – stoji iza ubrzavanja ekspanzije svemira.</p>
<p>Koristeći svemirski rendgenski teleskop Chandra, američke agencije za istraživanje svemira, NASA-e, Alexey Vikhlinin i njegovi kolege promatrali su 86 gustih galaktičkih klastera. Vikhlinin kaže da će s vremenom tamna energija izgurati vidljivi svemir: &#8220;To se neće dogoditi sutra, niti tako skoro, ali za još toliko vremena koliko je svemir sada star zamijetit će se vrlo jaki učinci na galaksijama koje su nam sada vidljive.&#8221;</p>
<p>David Spergel je astrofizičar Sveučilišta Princeton, u New Jerseyu: &#8220;Jedno od gledišta o tom pitanju je da čak i ništavilo – prazan prostor – ima određenu težinu. A, upravo zato što u našem svemiru ima mnogo takvog praznog prostora, on se u ogromnoj mjeri odražava na zbivanja i izaziva sam prostor da se širi sve brže.&#8221;</p>
<p>Istraživanje ove skupine znanstvenika pruža ključni dokaz o postojanju tamne energije. Jedan od autora studije, William Forman, kaže da nalazi dodaju još jednu dimenziju Einsteinovoj teoriji relativnosti, koja je osnova razumijevanja svemira.</p>
<p>&#8220;Einsteinove jednadžbe su primijenjive u širokom rasponu fizikalnih sustava, uključujući i svemir u cjelini, ogromne crne rupe, rastezanje vremena koje omogućuje rad naših sustava globalnog satelitskog pozicioniranja. No, usprkos takve iznimne uspješnosti Einsteinove vizije, nju možda treba konceptualno izmijeniti,&#8221; kaže Forman.</p>
<p>Studija o tamnoj energiji objavljena je u najnovijem izdanju časopisa Astrophysical Journal.</p>
<p>(<a href="http://www.voanews.com/croatian/2008-12-20-voa5.cfm">Glas Amerike</a>)</p>
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		<item>
		<title>Jeste li znali (Članak)</title>
		<link>http://www.svemir.info/?p=6</link>
		<comments>http://www.svemir.info/?p=6#comments</comments>
		<pubDate>Sun, 21 Dec 2008 19:45:35 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Članci]]></category>

		<category><![CDATA[tag 1]]></category>

		<category><![CDATA[tag 2]]></category>

		<category><![CDATA[tag 3]]></category>

		<guid isPermaLink="false">http://www.svemir.info/?p=6</guid>
		<description><![CDATA[
In 1971 a man called Thomas Schelling developed a concept called &#8220;Schelling segregation model&#8220;. Basically it is the same thing as my Xenophobia, or I should rather say, Xenophobia is like Shellng&#8217;s segregation. Shelling tried to make a segregation model that would picture people of different races (nickles and dimes) moving though neighborhoods (squares) of [...]]]></description>
			<content:encoded><![CDATA[<p><img src="http://www.2001photo.com/gallery1/women_2/333-06.jpg" alt="" width="189" height="189" align="right" /></p>
<p>In 1971 a man called <a href="javascript:void(0);/*1224709845753*/">Thomas Schelling</a> developed a concept called &#8220;<a href="javascript:void(0);/*1224709925226*/">Schelling segregation model</a>&#8220;. Basically it is the same thing as my Xenophobia, or I should rather say, Xenophobia <span style="font-weight: bold;">is</span> like Shellng&#8217;s segregation. Shelling tried to make a segregation model that would picture people of different races (nickles and dimes) moving though neighborhoods (squares) of a town (chess board). In his case, 33% of agents were racists (vs. 100% xenophobics in Xenophobia) and they moved randomly.</p>
<p><span style="font-weight: bold; color: #ff0000;">I was unaware of the Schelling segregation model at the time I created Xenophobia! </span><br />
By no meanings this was plagiarism; it was merely my first practical contact with the field of ALife and swarm intelligence.</p>
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		<title>Misija</title>
		<link>http://www.svemir.info/?p=4</link>
		<comments>http://www.svemir.info/?p=4#comments</comments>
		<pubDate>Sun, 21 Dec 2008 13:45:06 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Misije]]></category>

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		<description><![CDATA[asdf
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			<content:encoded><![CDATA[<p>asdf</p>
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		<title>Hello world!</title>
		<link>http://www.svemir.info/?p=1</link>
		<comments>http://www.svemir.info/?p=1#comments</comments>
		<pubDate>Wed, 17 Dec 2008 23:18:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Novosti]]></category>

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		<description><![CDATA[Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!
]]></description>
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