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	<title>Comments on: Youngest galactic supernova (not aliens) found</title>
	<atom:link href="http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/</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>
	<lastBuildDate>Mon, 13 Feb 2012 22:57:15 +0000</lastBuildDate>
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		<title>By: Soiherduliekeb</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-238022</link>
		<dc:creator>Soiherduliekeb</dc:creator>
		<pubDate>Fri, 08 Jan 2010 01:35:11 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-238022</guid>
		<description>I-It&#039;s GIGUE!!!</description>
		<content:encoded><![CDATA[<p>I-It&#8217;s GIGUE!!!</p>
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		<title>By: steve</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-194785</link>
		<dc:creator>steve</dc:creator>
		<pubDate>Thu, 25 Jun 2009 15:51:57 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-194785</guid>
		<description>oh my gawd! it looks like giegue from mother 1/earthbound zero!!! if ur not a fan, look him up</description>
		<content:encoded><![CDATA[<p>oh my gawd! it looks like giegue from mother 1/earthbound zero!!! if ur not a fan, look him up</p>
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		<title>By: Leirin</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-148852</link>
		<dc:creator>Leirin</dc:creator>
		<pubDate>Sat, 17 Jan 2009 04:18:27 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-148852</guid>
		<description>Holy cow, it&#039;s Giegue from Earthbound Zero! Everybody sing for your lives!</description>
		<content:encoded><![CDATA[<p>Holy cow, it&#8217;s Giegue from Earthbound Zero! Everybody sing for your lives!</p>
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		<title>By: Isaac Lands</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-148280</link>
		<dc:creator>Isaac Lands</dc:creator>
		<pubDate>Thu, 15 Jan 2009 14:02:17 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-148280</guid>
		<description>Okay, since im just a 6th grader, i might not know as much as you guys do about this subject. But since its a supernova shouldnt it explode? I mean its cool and all to have one in the galaxy not exploding but its still kind of scary because if it gets really big and then explodes wouldnt some of the explosion reach our planet? Some of my friends and I are researching stuff like this on the internet but were mostly finding a load of garbage. Stuff like people going &quot;space crickets are real and are going to come eat us all!!&quot; its getting really stupid finding that all the time, so if someone can please enlighten me on some more info about this.</description>
		<content:encoded><![CDATA[<p>Okay, since im just a 6th grader, i might not know as much as you guys do about this subject. But since its a supernova shouldnt it explode? I mean its cool and all to have one in the galaxy not exploding but its still kind of scary because if it gets really big and then explodes wouldnt some of the explosion reach our planet? Some of my friends and I are researching stuff like this on the internet but were mostly finding a load of garbage. Stuff like people going &#8220;space crickets are real and are going to come eat us all!!&#8221; its getting really stupid finding that all the time, so if someone can please enlighten me on some more info about this.</p>
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		<title>By: Giegue Spotted in Milky Way Galaxy!</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-147112</link>
		<dc:creator>Giegue Spotted in Milky Way Galaxy!</dc:creator>
		<pubDate>Sat, 10 Jan 2009 23:15:25 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-147112</guid>
		<description>[...] Alert! Giegue has been spotted only 8500 parsecs away! [...]</description>
		<content:encoded><![CDATA[<p>[...] Alert! Giegue has been spotted only 8500 parsecs away! [...]</p>
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		<title>By: Infinite Universe Or Not? - Page 6 - Science Forums</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-142969</link>
		<dc:creator>Infinite Universe Or Not? - Page 6 - Science Forums</dc:creator>
		<pubDate>Wed, 24 Dec 2008 01:30:18 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-142969</guid>
		<description>[...] youngest supernova in the Milky Way  The youngest supernova in the Milky Way - Cosmology - Zimbio  Youngest galactic supernova (not aliens) found &#124; Bad Astronomy &#124; Discover Magazine   [...]</description>
		<content:encoded><![CDATA[<p>[...] youngest supernova in the Milky Way  The youngest supernova in the Milky Way &#8211; Cosmology &#8211; Zimbio  Youngest galactic supernova (not aliens) found | Bad Astronomy | Discover Magazine   [...]</p>
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		<title>By: Haley</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-98892</link>
		<dc:creator>Haley</dc:creator>
		<pubDate>Thu, 10 Jul 2008 22:26:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-98892</guid>
		<description>&lt;strong&gt;Haley&lt;/strong&gt;

If you ever need a helping hand, you&#039;ll find one at the end of your arm. As you grow</description>
		<content:encoded><![CDATA[<p><strong>Haley</strong></p>
<p>If you ever need a helping hand, you&#8217;ll find one at the end of your arm. As you grow</p>
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		<title>By: Banner yet wave &#124; Bad Astronomy &#124; Discover Magazine</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-96290</link>
		<dc:creator>Banner yet wave &#124; Bad Astronomy &#124; Discover Magazine</dc:creator>
		<pubDate>Fri, 04 Jul 2008 14:00:13 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-96290</guid>
		<description>[...] a star that detonated 7000 light years away from us. This was not a massive star that exploded, but a low-mass white dwarf, the dense core left over when a star like the Sun runs out of fuel. Still, the forces are roughly [...]</description>
		<content:encoded><![CDATA[<p>[...] a star that detonated 7000 light years away from us. This was not a massive star that exploded, but a low-mass white dwarf, the dense core left over when a star like the Sun runs out of fuel. Still, the forces are roughly [...]</p>
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		<title>By: Random stuff I found this week (cos I&#8217;m too lazy to post everything in separate mails) &#171; Geekofriendly</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89195</link>
		<dc:creator>Random stuff I found this week (cos I&#8217;m too lazy to post everything in separate mails) &#171; Geekofriendly</dc:creator>
		<pubDate>Thu, 19 Jun 2008 22:48:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89195</guid>
		<description>[...] [Astronomy] Youngest galactic supernova (not aliens) found http://www.badastronomy.com/bablog/2008/05/14/youngest-galactic-supernova-not-aliens-found/ [Psychology] Famous failures [...]</description>
		<content:encoded><![CDATA[<p>[...] [Astronomy] Youngest galactic supernova (not aliens) found <a href="http://www.badastronomy.com/bablog/2008/05/14/youngest-galactic-supernova-not-aliens-found/" rel="nofollow">http://www.badastronomy.com/bablog/2008/05/14/youngest-galactic-supernova-not-aliens-found/</a> [Psychology] Famous failures [...]</p>
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		<title>By: B Fenerty</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89194</link>
		<dc:creator>B Fenerty</dc:creator>
		<pubDate>Mon, 09 Jun 2008 08:04:24 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89194</guid>
		<description>When presenting informal talks  at our Science Centre, to the public who are visiting free weekly telescope observing, for dating something like a supernova I use a word such as &quot;appeared&quot; rather than &quot;happened&quot;. From there it is easy to build on the distinction between the two wordings, and reveal to or remind the audience how telescopes show things that happened often very very long ago, that many distant things we see through telescopes may no longer even be there anymore in terms of general public thinking. Using &quot;happened&quot; instead of &quot;appeared&quot; may be okay among experienced sky watchers who understand the shorthand language, take relativity issues as obvious, et cetera - but for the general public it wastes the above described opportunity to teach good astronomy. This is especially important for young members in the audience, since some may be inspired to become scientists if they see key concepts being used carefully and thus capable of exciting implications. B Fenerty (member Royal Astronomical Society of Canada)</description>
		<content:encoded><![CDATA[<p>When presenting informal talks  at our Science Centre, to the public who are visiting free weekly telescope observing, for dating something like a supernova I use a word such as &#8220;appeared&#8221; rather than &#8220;happened&#8221;. From there it is easy to build on the distinction between the two wordings, and reveal to or remind the audience how telescopes show things that happened often very very long ago, that many distant things we see through telescopes may no longer even be there anymore in terms of general public thinking. Using &#8220;happened&#8221; instead of &#8220;appeared&#8221; may be okay among experienced sky watchers who understand the shorthand language, take relativity issues as obvious, et cetera &#8211; but for the general public it wastes the above described opportunity to teach good astronomy. This is especially important for young members in the audience, since some may be inspired to become scientists if they see key concepts being used carefully and thus capable of exciting implications. B Fenerty (member Royal Astronomical Society of Canada)</p>
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		<title>By: Ninten</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89193</link>
		<dc:creator>Ninten</dc:creator>
		<pubDate>Thu, 05 Jun 2008 00:59:26 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89193</guid>
		<description>Guys don&#039;t worry. We already took care of Giegue years ago. That&#039;s just the remnants of it&#039;s capsule, floating around space.</description>
		<content:encoded><![CDATA[<p>Guys don&#8217;t worry. We already took care of Giegue years ago. That&#8217;s just the remnants of it&#8217;s capsule, floating around space.</p>
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		<title>By: Bob</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89192</link>
		<dc:creator>Bob</dc:creator>
		<pubDate>Wed, 04 Jun 2008 00:31:26 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89192</guid>
		<description>Thanks!</description>
		<content:encoded><![CDATA[<p>Thanks!</p>
]]></content:encoded>
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		<title>By: Jonathan</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89191</link>
		<dc:creator>Jonathan</dc:creator>
		<pubDate>Sun, 01 Jun 2008 21:15:29 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89191</guid>
		<description>OH NO! IT&#039;S GIEGUE! I GOT IT COVERED!

Take a melody
Simple as can be
Give it some words
And sweet harmony

Raise your voices
All day long now
Love grows strong now
Sing a melody of love, oh love</description>
		<content:encoded><![CDATA[<p>OH NO! IT&#8217;S GIEGUE! I GOT IT COVERED!</p>
<p>Take a melody<br />
Simple as can be<br />
Give it some words<br />
And sweet harmony</p>
<p>Raise your voices<br />
All day long now<br />
Love grows strong now<br />
Sing a melody of love, oh love</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Bob</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89190</link>
		<dc:creator>Bob</dc:creator>
		<pubDate>Sun, 01 Jun 2008 20:17:44 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89190</guid>
		<description>AHHH! Giegue!</description>
		<content:encoded><![CDATA[<p>AHHH! Giegue!</p>
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		<title>By: hassen</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89189</link>
		<dc:creator>hassen</dc:creator>
		<pubDate>Sat, 24 May 2008 02:01:14 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89189</guid>
		<description>I am a 15 year old kid from calgary alberta asking a science question, could the sun blow up because my teacher believes that the sun is way to small to implode or explode.</description>
		<content:encoded><![CDATA[<p>I am a 15 year old kid from calgary alberta asking a science question, could the sun blow up because my teacher believes that the sun is way to small to implode or explode.</p>
]]></content:encoded>
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		<title>By: hassen</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89188</link>
		<dc:creator>hassen</dc:creator>
		<pubDate>Sat, 24 May 2008 01:55:20 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89188</guid>
		<description>Hey guys, in the first paragraph it says that something the size of the sun could create a catastrophic event. But our sun or any satrs like it are to samll to explode.</description>
		<content:encoded><![CDATA[<p>Hey guys, in the first paragraph it says that something the size of the sun could create a catastrophic event. But our sun or any satrs like it are to samll to explode.</p>
]]></content:encoded>
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		<title>By: ghank</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89187</link>
		<dc:creator>ghank</dc:creator>
		<pubDate>Fri, 16 May 2008 20:01:50 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89187</guid>
		<description>While I agree that this probably very exciting for a select few people, most people are going to wonder why all the suspense for something that happened 28,140 years ago. also if they have images from 1985, why say it&#039;s been something that NASA has been looking for &quot;for the past 50 years&quot;? the 1985 pics suggest that they only had to look for 27 years. This is almost as disappointing as an Uwe Boll movie.</description>
		<content:encoded><![CDATA[<p>While I agree that this probably very exciting for a select few people, most people are going to wonder why all the suspense for something that happened 28,140 years ago. also if they have images from 1985, why say it&#8217;s been something that NASA has been looking for &#8220;for the past 50 years&#8221;? the 1985 pics suggest that they only had to look for 27 years. This is almost as disappointing as an Uwe Boll movie.</p>
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	<item>
		<title>By: Lars</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89186</link>
		<dc:creator>Lars</dc:creator>
		<pubDate>Fri, 16 May 2008 11:50:35 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89186</guid>
		<description>Perhaps he was betting on the aliens.</description>
		<content:encoded><![CDATA[<p>Perhaps he was betting on the aliens.</p>
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		<title>By: StevoR</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89185</link>
		<dc:creator>StevoR</dc:creator>
		<pubDate>Fri, 16 May 2008 09:18:18 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89185</guid>
		<description>&lt;blockquote&gt; &lt;b&gt; Mohamed &lt;/b&gt; on 14 May 2008 at 11:08 am

NOooooooooooooooooooooooooooooooooooooooooo
&lt;/blockquote&gt;

What the ... ???! What a very weird opening comment here.

Er, &lt;b&gt; Mohamed &lt;/b&gt; , I don&#039;t get it. What&#039;s so bad about this discovery then? :-(

Or if Mohamed is a joke ID tag indicating this is somehow ahorrible discovery for Muslims well I&#039;m still as puzzled. How does this supernova
remnant hurt the &lt;i&gt; &#039;Dar-al-Umma&#039; &lt;/i&gt; (Islmaic world)

Is it because the Arab astronomers missed it?
But then so did everybody else &amp; it wasn&#039;t their fault but the dusts..

Because it has some special Muslim significance? If so that sure escapes me ...

&lt;b&gt; What are you on about there ...??? &lt;/b&gt;</description>
		<content:encoded><![CDATA[<blockquote><p> <b> Mohamed </b> on 14 May 2008 at 11:08 am</p>
<p>NOooooooooooooooooooooooooooooooooooooooooo
</p></blockquote>
<p>What the &#8230; ???! What a very weird opening comment here.</p>
<p>Er, <b> Mohamed </b> , I don&#8217;t get it. What&#8217;s so bad about this discovery then? <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_sad.gif' alt=':-(' class='wp-smiley' /> </p>
<p>Or if Mohamed is a joke ID tag indicating this is somehow ahorrible discovery for Muslims well I&#8217;m still as puzzled. How does this supernova<br />
remnant hurt the <i> &#8216;Dar-al-Umma&#8217; </i> (Islmaic world)</p>
<p>Is it because the Arab astronomers missed it?<br />
But then so did everybody else &amp; it wasn&#8217;t their fault but the dusts..</p>
<p>Because it has some special Muslim significance? If so that sure escapes me &#8230;</p>
<p><b> What are you on about there &#8230;??? </b></p>
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		<title>By: StevoR</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89184</link>
		<dc:creator>StevoR</dc:creator>
		<pubDate>Fri, 16 May 2008 09:08:54 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89184</guid>
		<description>Drat! I almost had it with my guess about perhaps finding the missing pulsar for supernova 1987 A …

Supernovae ..Tick
Remmnants .. Tick
Actual discovery .. Bzzzt! Wrong ‘un.

It is, as stated, the youngest supernova remnant found in our Galaxy - forma star too dust shrouded for us tosee it go BOOM! when it went back around the US Civil War Time - or in non-US speak … 1868 was

- During the Victorian Era - the reign of Queen Victoria for the Brits!

- The year after the abolition of the Tokugawa Shogunate for the Nihonjin (Japanese) out there ..

- During the Manchu (Manchurian) or Chi&#039;ing Dynasty -the last Imperial dynasty to rule China for the Chinese folks reading this...

      ... To list but three other examples.

That is an awesome finding!

Although not perhaps quite up to the pre-announcement hype …

If anything I can&#039;t help think gee what a shame we all missed seeing it ... &amp; wondering when the next supernova in our Glaxy may happen. Hopefully soon! I&#039;d love to see Eta Carinae &amp; / or Betelgeux detonate in my lifetime! 8)

Mind you, having Sirius B or Procyon B suddenly &lt;i&gt;(&amp; highly unlikely-ly!) &lt;/i&gt; blow up on us would &lt;b&gt; not &lt;/b&gt; be so welcome! ;-O</description>
		<content:encoded><![CDATA[<p>Drat! I almost had it with my guess about perhaps finding the missing pulsar for supernova 1987 A …</p>
<p>Supernovae ..Tick<br />
Remmnants .. Tick<br />
Actual discovery .. Bzzzt! Wrong ‘un.</p>
<p>It is, as stated, the youngest supernova remnant found in our Galaxy &#8211; forma star too dust shrouded for us tosee it go BOOM! when it went back around the US Civil War Time &#8211; or in non-US speak … 1868 was</p>
<p>- During the Victorian Era &#8211; the reign of Queen Victoria for the Brits!</p>
<p>- The year after the abolition of the Tokugawa Shogunate for the Nihonjin (Japanese) out there ..</p>
<p>- During the Manchu (Manchurian) or Chi&#8217;ing Dynasty -the last Imperial dynasty to rule China for the Chinese folks reading this&#8230;</p>
<p>      &#8230; To list but three other examples.</p>
<p>That is an awesome finding!</p>
<p>Although not perhaps quite up to the pre-announcement hype …</p>
<p>If anything I can&#8217;t help think gee what a shame we all missed seeing it &#8230; &amp; wondering when the next supernova in our Glaxy may happen. Hopefully soon! I&#8217;d love to see Eta Carinae &amp; / or Betelgeux detonate in my lifetime! <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_cool.gif' alt='8)' class='wp-smiley' /><br />
Mind you, having Sirius B or Procyon B suddenly <i>(&amp; highly unlikely-ly!) </i> blow up on us would <b> not </b> be so welcome! ;-O</p>
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		<title>By: Tire Directory &#187; Blog Archive &#187; The youngest supernova in the Milky Way</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89183</link>
		<dc:creator>Tire Directory &#187; Blog Archive &#187; The youngest supernova in the Milky Way</dc:creator>
		<pubDate>Fri, 16 May 2008 05:20:02 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89183</guid>
		<description>[...] explosion (those remnants are now actually 28,000 years old but the light is just arriving here). read more &#124; digg [...]</description>
		<content:encoded><![CDATA[<p>[...] explosion (those remnants are now actually 28,000 years old but the light is just arriving here). read more | digg [...]</p>
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		<title>By: Chat Marchet News Digest &#187; The youngest supernova in the Milky Way</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89182</link>
		<dc:creator>Chat Marchet News Digest &#187; The youngest supernova in the Milky Way</dc:creator>
		<pubDate>Fri, 16 May 2008 05:18:48 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89182</guid>
		<description>[...] Click here for the story.  This entry was posted on Friday, May 16th, 2008 at 2:17 am and is filed under le Chat Marchet. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site. [...]</description>
		<content:encoded><![CDATA[<p>[...] Click here for the story.  This entry was posted on Friday, May 16th, 2008 at 2:17 am and is filed under le Chat Marchet. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site. [...]</p>
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		<title>By: someguy</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89181</link>
		<dc:creator>someguy</dc:creator>
		<pubDate>Fri, 16 May 2008 04:08:02 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89181</guid>
		<description>It does remind me of aliens still.</description>
		<content:encoded><![CDATA[<p>It does remind me of aliens still.</p>
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		<title>By: Torbjörn Larsson, OM</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89180</link>
		<dc:creator>Torbjörn Larsson, OM</dc:creator>
		<pubDate>Fri, 16 May 2008 01:04:42 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89180</guid>
		<description>&lt;blockquote&gt;
I really need to post a FAQ on this!
&lt;/blockquote&gt;

Well, you should, as this little convenient convention isn&#039;t well known AFAIU. IIRC many popular texts use the light travel time reference.

&lt;blockquote&gt;
“conventionality of simultaneity”.
&lt;/blockquote&gt;

Seems to be a philosophical discussion. &lt;a href=&quot;http://en.wikipedia.org/wiki/Relativity_of_simultaneity&quot; rel=&quot;nofollow&quot;&gt;Our local Minkowski spacetime seems to be based on the parsimonious physical theory of Einstein&lt;/a&gt;.

@ bret:

&lt;blockquote&gt;
That is incorrect, the speed of light is not a constant, it does vary.
&lt;/blockquote&gt;

By convention it is the vacuum speed of light discussed if nothing else is mentioned. (And since that is the only one which is constant, it is logical to assume Phil is discussing it.)

&lt;blockquote&gt;
Light also affects spacetime, it seems it does so more efficiently than gravity
&lt;/blockquote&gt;

Back reaction from EM energy doesn&#039;t change (vacuum) light speed.

&lt;blockquote&gt;
I wont go into quantum mechanics on how faster than light information systems can be fabricated, other than to say “quantum entanglement” for anyone who wishes to use google to read further.
&lt;/blockquote&gt;

&lt;a href=&quot;http://en.wikipedia.org/wiki/Light_speed#Quantum_mechanics&quot; rel=&quot;nofollow&quot;&gt;Quantum entanglement doesn&#039;t provide faster than light informational speeds.&lt;/a&gt;</description>
		<content:encoded><![CDATA[<blockquote><p>
I really need to post a FAQ on this!
</p></blockquote>
<p>Well, you should, as this little convenient convention isn&#8217;t well known AFAIU. IIRC many popular texts use the light travel time reference.</p>
<blockquote><p>
“conventionality of simultaneity”.
</p></blockquote>
<p>Seems to be a philosophical discussion. <a href="http://en.wikipedia.org/wiki/Relativity_of_simultaneity" rel="nofollow">Our local Minkowski spacetime seems to be based on the parsimonious physical theory of Einstein</a>.</p>
<p>@ bret:</p>
<blockquote><p>
That is incorrect, the speed of light is not a constant, it does vary.
</p></blockquote>
<p>By convention it is the vacuum speed of light discussed if nothing else is mentioned. (And since that is the only one which is constant, it is logical to assume Phil is discussing it.)</p>
<blockquote><p>
Light also affects spacetime, it seems it does so more efficiently than gravity
</p></blockquote>
<p>Back reaction from EM energy doesn&#8217;t change (vacuum) light speed.</p>
<blockquote><p>
I wont go into quantum mechanics on how faster than light information systems can be fabricated, other than to say “quantum entanglement” for anyone who wishes to use google to read further.
</p></blockquote>
<p><a href="http://en.wikipedia.org/wiki/Light_speed#Quantum_mechanics" rel="nofollow">Quantum entanglement doesn&#8217;t provide faster than light informational speeds.</a></p>
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		<title>By: fred edison</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/comment-page-3/#comment-89179</link>
		<dc:creator>fred edison</dc:creator>
		<pubDate>Fri, 16 May 2008 00:44:34 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/2008/05/14/youngest-galactic-supernova-not-aliens-found/#comment-89179</guid>
		<description>It&#039;s a fantastic find and about time after waiting so long.  I listened to what R.C.H. had to say on the 5-14 C2CAM show about this NASA announcement and its state of affairs in general.  Always a guaranteed hoot.  Keep up the good...errr....bad astronomy.  Hope to hear you back on the airwaves sometime.</description>
		<content:encoded><![CDATA[<p>It&#8217;s a fantastic find and about time after waiting so long.  I listened to what R.C.H. had to say on the 5-14 C2CAM show about this NASA announcement and its state of affairs in general.  Always a guaranteed hoot.  Keep up the good&#8230;errr&#8230;.bad astronomy.  Hope to hear you back on the airwaves sometime.</p>
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