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	<title>Comments on: Simeis 147 by Davide De Martin</title>
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	<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/</link>
	<description>Space and astronomy news</description>
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		<title>By: Tammy Plotner</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23855</link>
		<dc:creator>Tammy Plotner</dc:creator>
		<pubDate>Wed, 18 Jun 2008 00:44:25 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23855</guid>
		<description>Believe it or not, like Barnard&#039;s Loop and the Veil, some small portions can be capture with a backyard scope...  a BIG backyard scope!

For those who have aperture, try your luck around 5h 43m +28 25â€™.  There&#039;s a little &quot;haze&quot; that says: &quot;Hey.  I&#039;m here!&quot;

And Aodhhan?  Man, I just got lost in this image...  It&#039;s pretty incredible!  Take a look at this:

&lt;a href=&quot;http://archive.stsci.edu/cgi-bin/dss_search?v=poss2ukstu_red&amp;r=5++43&amp;d=%2B28+25&amp;e=J2000&amp;h=30.0&amp;w=30.0&amp;f=gif&amp;c=none&amp;fov=NONE&amp;v3=&quot; rel=&quot;nofollow&quot;&gt;Photo&lt;/a&gt;

It isn&#039;t as beautiful, but it&#039;s a lot more realistic as to what you can see visually.</description>
		<content:encoded><![CDATA[<p>Believe it or not, like Barnard&#039;s Loop and the Veil, some small portions can be capture with a backyard scope&#8230;  a BIG backyard scope!</p>
<p>For those who have aperture, try your luck around 5h 43m +28 25â€™.  There&#039;s a little &#034;haze&#034; that says: &#034;Hey.  I&#039;m here!&#034;</p>
<p>And Aodhhan?  Man, I just got lost in this image&#8230;  It&#039;s pretty incredible!  Take a look at this:</p>
<p><a href="http://archive.stsci.edu/cgi-bin/dss_search?v=poss2ukstu_red&amp;r=5++43&amp;d=%2B28+25&amp;e=J2000&amp;h=30.0&amp;w=30.0&amp;f=gif&amp;c=none&amp;fov=NONE&amp;v3=" rel="nofollow">Photo</a></p>
<p>It isn&#039;t as beautiful, but it&#039;s a lot more realistic as to what you can see visually.</p>
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		<title>By: Aodhhan</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23794</link>
		<dc:creator>Aodhhan</dc:creator>
		<pubDate>Tue, 17 Jun 2008 15:58:50 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23794</guid>
		<description>Too bad it can&#039;t be seen by backyard telescopes; especially considering how large it is. Amazing how long you can sit and just stare at supernova remnants.</description>
		<content:encoded><![CDATA[<p>Too bad it can&#039;t be seen by backyard telescopes; especially considering how large it is. Amazing how long you can sit and just stare at supernova remnants.</p>
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		<title>By: Andrew Dy</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23774</link>
		<dc:creator>Andrew Dy</dc:creator>
		<pubDate>Tue, 17 Jun 2008 10:24:57 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23774</guid>
		<description>&quot;Mostly because the diameter of the nebula is about 3-1/2 degrees, or about 7 times the size of the Moon.&quot;

This boggles the mind. Could someone, perhaps create an artist&#039;s impression of this with a night time picture of perhaps a house on a barren plain with the moon low in the sky...then this structure behind it (with its brightness increased of course.) I just want to picture it&#039;s size.

Thank you. It would also amaze others how something so distant could look this big from this part of the Galaxy.</description>
		<content:encoded><![CDATA[<p>&#034;Mostly because the diameter of the nebula is about 3-1/2 degrees, or about 7 times the size of the Moon.&#034;</p>
<p>This boggles the mind. Could someone, perhaps create an artist&#039;s impression of this with a night time picture of perhaps a house on a barren plain with the moon low in the sky&#8230;then this structure behind it (with its brightness increased of course.) I just want to picture it&#039;s size.</p>
<p>Thank you. It would also amaze others how something so distant could look this big from this part of the Galaxy.</p>
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		<title>By: Tammy Plotner</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23737</link>
		<dc:creator>Tammy Plotner</dc:creator>
		<pubDate>Tue, 17 Jun 2008 00:11:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23737</guid>
		<description>Hi, Tyler!  I&#039;m glad you&#039;re knowledgeable on supernovae - because they are genuinely the &quot;stuff&quot; we are made of.  Fusion stops at iron, so an element with more protons than iron were created in supernovae events.  Even we wouldn&#039;t be here without them!

Jon?  We may very well have been blasted once.  According to Brian Fields:

&quot;Recent experiments have uncovered evidence that a star exploded near the Earth about 3 million years ago. Radioactive iron atoms have been found in ancient samples of of deep-ocean material, and are likely to be debris from this explosion. Newly published, high-quality data spectacularly confirm this radioactive signal, and for the first time allow sea sediments to be used as a telescope, probing the nuclear fires that power exploding stars. Furthermore, an explosion so close to to Earth was probably a &quot;near-miss,&quot; which emitted intense and possibly harmful radiation. The resulting environmental damage may even have led to extinction of species which were the most vulnerable to this radiation.&quot;

Once bitten... Twice shy?  Somehow I have a feeling that not even SPF6000 would help.  ;)</description>
		<content:encoded><![CDATA[<p>Hi, Tyler!  I&#039;m glad you&#039;re knowledgeable on supernovae &#8211; because they are genuinely the &#034;stuff&#034; we are made of.  Fusion stops at iron, so an element with more protons than iron were created in supernovae events.  Even we wouldn&#039;t be here without them!</p>
<p>Jon?  We may very well have been blasted once.  According to Brian Fields:</p>
<p>&#034;Recent experiments have uncovered evidence that a star exploded near the Earth about 3 million years ago. Radioactive iron atoms have been found in ancient samples of of deep-ocean material, and are likely to be debris from this explosion. Newly published, high-quality data spectacularly confirm this radioactive signal, and for the first time allow sea sediments to be used as a telescope, probing the nuclear fires that power exploding stars. Furthermore, an explosion so close to to Earth was probably a &#034;near-miss,&#034; which emitted intense and possibly harmful radiation. The resulting environmental damage may even have led to extinction of species which were the most vulnerable to this radiation.&#034;</p>
<p>Once bitten&#8230; Twice shy?  Somehow I have a feeling that not even SPF6000 would help.  <img src='http://www.universetoday.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
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		<title>By: RL</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23736</link>
		<dc:creator>RL</dc:creator>
		<pubDate>Tue, 17 Jun 2008 00:06:59 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23736</guid>
		<description>Tammy,   Thanks for the answer and the article!

And Tyler is right. The &quot;circle of life&quot; extends into the cosmos.</description>
		<content:encoded><![CDATA[<p>Tammy,   Thanks for the answer and the article!</p>
<p>And Tyler is right. The &#034;circle of life&#034; extends into the cosmos.</p>
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		<title>By: Jon</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23730</link>
		<dc:creator>Jon</dc:creator>
		<pubDate>Mon, 16 Jun 2008 21:25:11 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23730</guid>
		<description>We&#039;ll know how far away we need to be when we get blasted good once. We should really start working on what we want to do in that event, as a preventative measure. Any ideas?</description>
		<content:encoded><![CDATA[<p>We&#039;ll know how far away we need to be when we get blasted good once. We should really start working on what we want to do in that event, as a preventative measure. Any ideas?</p>
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		<title>By: Tyler Durden</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23729</link>
		<dc:creator>Tyler Durden</dc:creator>
		<pubDate>Mon, 16 Jun 2008 21:19:43 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23729</guid>
		<description>It might be a Doomsday Machine now, but I&#039;d point out that supernovae are essential for the formation of life, because they carry heavy elements to star-forming areas that wouldn&#039;t otherwise have them (and therefore wouldn&#039;t form terrestrial planets otherwise).</description>
		<content:encoded><![CDATA[<p>It might be a Doomsday Machine now, but I&#039;d point out that supernovae are essential for the formation of life, because they carry heavy elements to star-forming areas that wouldn&#039;t otherwise have them (and therefore wouldn&#039;t form terrestrial planets otherwise).</p>
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		<title>By: Tammy Plotner</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23725</link>
		<dc:creator>Tammy Plotner</dc:creator>
		<pubDate>Mon, 16 Jun 2008 20:01:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23725</guid>
		<description>Hi, RL!

Thanks for recognizing the Star Trek episode, &quot;The Doomsday Machine&quot;.   Your kind comments make me smile!  :)

As for supernova?  Well, the &quot;accepted safe distance&quot; is from 160 to 200 light years away.  The reality check is that we just really don&#039;t know what IS a safe distance and what isn&#039;t.  The more we learn, the more it seems we tend to realign our thinking.  Have we found every supernova remnant out there?  And do we know exactly how far they can expand?

Until that day, we&#039;ll probably never know how far away &quot;safe&quot; truly is.

Live long and prosper....</description>
		<content:encoded><![CDATA[<p>Hi, RL!</p>
<p>Thanks for recognizing the Star Trek episode, &#034;The Doomsday Machine&#034;.   Your kind comments make me smile!  <img src='http://www.universetoday.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>As for supernova?  Well, the &#034;accepted safe distance&#034; is from 160 to 200 light years away.  The reality check is that we just really don&#039;t know what IS a safe distance and what isn&#039;t.  The more we learn, the more it seems we tend to realign our thinking.  Have we found every supernova remnant out there?  And do we know exactly how far they can expand?</p>
<p>Until that day, we&#039;ll probably never know how far away &#034;safe&#034; truly is.</p>
<p>Live long and prosper&#8230;.</p>
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		<title>By: RL</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23722</link>
		<dc:creator>RL</dc:creator>
		<pubDate>Mon, 16 Jun 2008 19:36:37 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23722</guid>
		<description>How close could a solar system like ours be to a supernova such as this and be OK?

I guess you couldn&#039;t kill it by flying a starship down its maw like Kirk did.

I will also say that connecting the two (Simeis 147 and the Doomsday Machine) is an awesome display of free-association.  I really mean that, its a gift, I say.  

And now that I&#039;m thinking of it, it also kind of reminds me of the Romulan Plasma Torpedo, but without the awesome power!</description>
		<content:encoded><![CDATA[<p>How close could a solar system like ours be to a supernova such as this and be OK?</p>
<p>I guess you couldn&#039;t kill it by flying a starship down its maw like Kirk did.</p>
<p>I will also say that connecting the two (Simeis 147 and the Doomsday Machine) is an awesome display of free-association.  I really mean that, its a gift, I say.  </p>
<p>And now that I&#039;m thinking of it, it also kind of reminds me of the Romulan Plasma Torpedo, but without the awesome power!</p>
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		<title>By: MrBill</title>
		<link>http://www.universetoday.com/2008/06/16/simeis-147-by-davide-de-martin/comment-page-1/#comment-23714</link>
		<dc:creator>MrBill</dc:creator>
		<pubDate>Mon, 16 Jun 2008 18:28:43 +0000</pubDate>
		<guid isPermaLink="false">http://www.universetoday.com/?p=15086#comment-23714</guid>
		<description>Doomsday Machine is from Dr. Strangelove</description>
		<content:encoded><![CDATA[<p>Doomsday Machine is from Dr. Strangelove</p>
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