<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
		>
<channel>
	<title>Comments on: Does a Shower of Subatomic Positrons Mean We&#039;ve Found Dark Matter?</title>
	<atom:link href="http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/</link>
	<description></description>
	<lastBuildDate>Mon, 22 Apr 2013 21:34:00 +0000</lastBuildDate>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.4.2</generator>
	<item>
		<title>By: Julius Mazzarella</title>
		<link>http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7086</link>
		<dc:creator>Julius Mazzarella</dc:creator>
		<pubDate>Sun, 05 Apr 2009 23:51:57 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7086</guid>
		<description>Uncle Al and Ryan.  Thank you.  I enjoyed reading your comments. ! I&#039;m glad to see there are others interested in this topic and willing to share their knowledge.

Have a great day.</description>
		<content:encoded><![CDATA[<p>Uncle Al and Ryan.  Thank you.  I enjoyed reading your comments. ! I&#8217;m glad to see there are others interested in this topic and willing to share their knowledge.</p>
<p>Have a great day.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: John Cassady</title>
		<link>http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7085</link>
		<dc:creator>John Cassady</dc:creator>
		<pubDate>Sun, 05 Apr 2009 02:11:50 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7085</guid>
		<description>Jeez I&#039;m so glad that you two are here otherwise we&#039;d only have the experts to listen to.</description>
		<content:encoded><![CDATA[<p>Jeez I&#8217;m so glad that you two are here otherwise we&#8217;d only have the experts to listen to.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Ryan</title>
		<link>http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7084</link>
		<dc:creator>Ryan</dc:creator>
		<pubDate>Fri, 03 Apr 2009 07:11:31 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7084</guid>
		<description>Uncle Al, my guess would be that these dark matter anhilations also produce an equal number of high energy electrons.  However, these electrons would not be distinguishable from other electrons that come from well known local sources.  Consequently, I think the electron side of the dark matters&#039; charge is just assumed here.</description>
		<content:encoded><![CDATA[<p>Uncle Al, my guess would be that these dark matter anhilations also produce an equal number of high energy electrons.  However, these electrons would not be distinguishable from other electrons that come from well known local sources.  Consequently, I think the electron side of the dark matters&#8217; charge is just assumed here.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Uncle Al</title>
		<link>http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7083</link>
		<dc:creator>Uncle Al</dc:creator>
		<pubDate>Thu, 02 Apr 2009 16:20:20 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/80beats/2009/04/02/do-a-shower-of-subatomic-positrons-mean-weve-found-dark-matter/#comment-7083</guid>
		<description>If dark matter exists, is electrically neutral, and if it sources a positron eccess, what balances the charge?

Supernova ejecta contain Ni-56 then Co-56.  Co-56 decays by positron emission, &lt;I&gt;Astrophys. J.&lt;/I&gt; 673 1014 (2008), &lt;I&gt;Chin. J. Astron. Astrophys. 8 71 (2008).  &quot;Type I supernova is a prolific event for 56Ni nucleosynthesis. Each one ejects almost half of a solar mass of 56Ni&quot;, &lt;I&gt;Handbook of Isotopes in the Cosmos: Hydrogen to Gallium&lt;/I&gt;, Donald D. Clayton, 2003.  Why is positrons/electrons greater than one a surprise?</description>
		<content:encoded><![CDATA[<p>If dark matter exists, is electrically neutral, and if it sources a positron eccess, what balances the charge?</p>
<p>Supernova ejecta contain Ni-56 then Co-56.  Co-56 decays by positron emission, <i>Astrophys. J.</i> 673 1014 (2008), <i>Chin. J. Astron. Astrophys. 8 71 (2008).  &#8220;Type I supernova is a prolific event for 56Ni nucleosynthesis. Each one ejects almost half of a solar mass of 56Ni&#8221;, </i><i>Handbook of Isotopes in the Cosmos: Hydrogen to Gallium</i>, Donald D. Clayton, 2003.  Why is positrons/electrons greater than one a surprise?</p>
]]></content:encoded>
	</item>
</channel>
</rss>
