<?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: Hubble sees ancient galaxies rejuvenating themselves</title>
	<atom:link href="http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/</link>
	<description></description>
	<lastBuildDate>Wed, 21 Nov 2012 15:12:45 +0000</lastBuildDate>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.4.2</generator>
	<item>
		<title>By: Adriene Narron</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221817</link>
		<dc:creator>Adriene Narron</dc:creator>
		<pubDate>Sat, 30 Jun 2012 14:46:25 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221817</guid>
		<description>Pardon me, I was hoping I can reach an administrator in charge of this webblog - I couldn&#039;t locate a functional contact page. Right now, my employer is hiring writers for a variety of niches including this one and we are willing to pay up to $25 an article. Grammatical fluency in English is required, and if you know any other languages and can translate, we will certainly bump up your pay significantly. On average, our writers start out making roughly $1,200 every week. We desperately need to fill our vacancies within the next day or two. Please go to http://earn4800permonth.info and sign up to get a clearer idea of what we offer. I will be glad to talk to any serious inquiries in the member&#039;s area.</description>
		<content:encoded><![CDATA[<p>Pardon me, I was hoping I can reach an administrator in charge of this webblog &#8211; I couldn&#8217;t locate a functional contact page. Right now, my employer is hiring writers for a variety of niches including this one and we are willing to pay up to $25 an article. Grammatical fluency in English is required, and if you know any other languages and can translate, we will certainly bump up your pay significantly. On average, our writers start out making roughly $1,200 every week. We desperately need to fill our vacancies within the next day or two. Please go to <a href="http://earn4800permonth.info" rel="nofollow">http://earn4800permonth.info</a> and sign up to get a clearer idea of what we offer. I will be glad to talk to any serious inquiries in the member&#8217;s area.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Susan</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221816</link>
		<dc:creator>Susan</dc:creator>
		<pubDate>Sun, 21 Feb 2010 09:10:09 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221816</guid>
		<description>Tidy, just turned it into my desk top.</description>
		<content:encoded><![CDATA[<p>Tidy, just turned it into my desk top.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: M.J.</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221815</link>
		<dc:creator>M.J.</dc:creator>
		<pubDate>Sat, 20 Feb 2010 10:40:07 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221815</guid>
		<description>Would it be possible to hit fast forward and see how this all turns out?</description>
		<content:encoded><![CDATA[<p>Would it be possible to hit fast forward and see how this all turns out?</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Messier Tidy Upper</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221814</link>
		<dc:creator>Messier Tidy Upper</dc:creator>
		<pubDate>Sat, 20 Feb 2010 02:30:11 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221814</guid>
		<description>@ 13. jeffersonian ;

&lt;i&gt; Does “our” galaxy look like the one on the upper left when viewed from the right distance/angle? &lt;/i&gt;

Not sure but it woulddepend on how loosely you translate the word &quot;like&quot; perhaps. Our galaxy does have a bit of awarp and is a large-ish bnarred spiral galaxy if thathelps any. That galaxy seen edge on is probably more spiral and  more warped although its a bit hard to tell from that perspective.

&lt;i&gt;If so, why isn’t there tons more apparent light in our neighborhood?&lt;/i&gt;

Its a &lt;b&gt;*very* &lt;/b&gt; big neighbourhood is why! ;-)

Also they may have more galaxies &amp; more closely packed together in that galaxy cluster than in our Local Group of galaxies which has just three reasonably large spirals - Andromeda, the Milky Way and M33 the Triangulum or Pinwheel Galaxy.

I&#039;m not 100% sure but I think that mostly explains it although your question also evokes Olber&#039;s Paradox of &quot;why is the sky dark&quot; which you may benefit from researching if you haven&#039;t already.

Try : http://en.wikipedia.org/wiki/Olbers%27_paradox

@ 3.   Lisa Says:

&lt;i&gt;you know, that “g” you speak of looks suspiciously like a cross.&lt;/i&gt;

Eh? It does? :roll:

Not to me it doesn&#039;t.

@ 8.   DrFlimmer Says:

&lt;i&gt;@ #2 Matt : That’s a foreground star of the Milky Way. Nothing interesting  Everything that has such streaks is a MW star. &lt;/i&gt;

Hey, just because its a foreground star doesn&#039;t mean it can&#039;t be an &lt;b&gt;*interesting*&lt;/b&gt; foreground star you know! ;-)

Stellar astronomy can be pretty fascinating too, although perhaps not as visually dramatic as seen through a scope as the Deep Sky objects* eg. galaxies, star clusters, planetary nebulae, globular clusters, dark nebulae etc ..

A few questions that spring to my mind as possibly interesting about that star include :

1) What is called or designated?

2) What is its spectral and lunminosity (dwarf, giant, supergiant) class?

(I&#039;d guess type A-K based on its not being very bluish or reddish. Right? )

3) Is it a binary or multiple star system?

4) Does it have any exoplanets known or suspected orbiting it?

5) How old is it and how metal rich? Is it one of the ancient metal-poor population I stars or a metal rich younger populatuion II star?

&amp; that&#039;s just for starters! ;-)

-----

* The Messier catalogue of deep sky objects does inculde one double star - M40. </description>
		<content:encoded><![CDATA[<p>@ 13. jeffersonian ;</p>
<p><i> Does “our” galaxy look like the one on the upper left when viewed from the right distance/angle? </i></p>
<p>Not sure but it woulddepend on how loosely you translate the word &#8220;like&#8221; perhaps. Our galaxy does have a bit of awarp and is a large-ish bnarred spiral galaxy if thathelps any. That galaxy seen edge on is probably more spiral and  more warped although its a bit hard to tell from that perspective.</p>
<p><i>If so, why isn’t there tons more apparent light in our neighborhood?</i></p>
<p>Its a <b>*very* </b> big neighbourhood is why! <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
<p>Also they may have more galaxies &amp; more closely packed together in that galaxy cluster than in our Local Group of galaxies which has just three reasonably large spirals &#8211; Andromeda, the Milky Way and M33 the Triangulum or Pinwheel Galaxy.</p>
<p>I&#8217;m not 100% sure but I think that mostly explains it although your question also evokes Olber&#8217;s Paradox of &#8220;why is the sky dark&#8221; which you may benefit from researching if you haven&#8217;t already.</p>
<p>Try : <a href="http://en.wikipedia.org/wiki/Olbers%27_paradox" rel="nofollow">http://en.wikipedia.org/wiki/Olbers%27_paradox</a></p>
<p>@ 3.   Lisa Says:</p>
<p><i>you know, that “g” you speak of looks suspiciously like a cross.</i></p>
<p>Eh? It does? <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_rolleyes.gif' alt=':roll:' class='wp-smiley' /> </p>
<p>Not to me it doesn&#8217;t.</p>
<p>@ 8.   DrFlimmer Says:</p>
<p><i>@ #2 Matt : That’s a foreground star of the Milky Way. Nothing interesting  Everything that has such streaks is a MW star. </i></p>
<p>Hey, just because its a foreground star doesn&#8217;t mean it can&#8217;t be an <b>*interesting*</b> foreground star you know! <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
<p>Stellar astronomy can be pretty fascinating too, although perhaps not as visually dramatic as seen through a scope as the Deep Sky objects* eg. galaxies, star clusters, planetary nebulae, globular clusters, dark nebulae etc ..</p>
<p>A few questions that spring to my mind as possibly interesting about that star include :</p>
<p>1) What is called or designated?</p>
<p>2) What is its spectral and lunminosity (dwarf, giant, supergiant) class?</p>
<p>(I&#8217;d guess type A-K based on its not being very bluish or reddish. Right? )</p>
<p>3) Is it a binary or multiple star system?</p>
<p>4) Does it have any exoplanets known or suspected orbiting it?</p>
<p>5) How old is it and how metal rich? Is it one of the ancient metal-poor population I stars or a metal rich younger populatuion II star?</p>
<p>&amp; that&#8217;s just for starters! <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
<p>&#8212;&#8211;</p>
<p>* The Messier catalogue of deep sky objects does inculde one double star &#8211; M40. </p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Jeffersonian</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221813</link>
		<dc:creator>Jeffersonian</dc:creator>
		<pubDate>Sat, 20 Feb 2010 01:48:41 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221813</guid>
		<description>This is so awesome.

I have several questions about view like this. Example: Does &quot;our&quot; galaxy look like the one on the upper left when viewed from the right distance/angle? If so, why isn&#039;t there tons more apparent light in our neighborhood?</description>
		<content:encoded><![CDATA[<p>This is so awesome.</p>
<p>I have several questions about view like this. Example: Does &#8220;our&#8221; galaxy look like the one on the upper left when viewed from the right distance/angle? If so, why isn&#8217;t there tons more apparent light in our neighborhood?</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: BarMonger</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221812</link>
		<dc:creator>BarMonger</dc:creator>
		<pubDate>Sat, 20 Feb 2010 01:08:36 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221812</guid>
		<description>Looking at the embiggened version is just so cool. There are so many small details and galaxies all over, that you don&#039;t see at first.</description>
		<content:encoded><![CDATA[<p>Looking at the embiggened version is just so cool. There are so many small details and galaxies all over, that you don&#8217;t see at first.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Mitch</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221811</link>
		<dc:creator>Mitch</dc:creator>
		<pubDate>Fri, 19 Feb 2010 19:47:39 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221811</guid>
		<description>Looks like a floppy-eared bunny rabbit blowing the seeds off a dandelion. Either that or, you know, galaxies colliding. And stuff.</description>
		<content:encoded><![CDATA[<p>Looks like a floppy-eared bunny rabbit blowing the seeds off a dandelion. Either that or, you know, galaxies colliding. And stuff.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Matt</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221810</link>
		<dc:creator>Matt</dc:creator>
		<pubDate>Fri, 19 Feb 2010 19:43:02 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221810</guid>
		<description>@DrFlimmer

Thanks.  I&#039;m a complete noob, it&#039;s all interesting to me :)</description>
		<content:encoded><![CDATA[<p>@DrFlimmer</p>
<p>Thanks.  I&#8217;m a complete noob, it&#8217;s all interesting to me <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
]]></content:encoded>
	</item>
	<item>
		<title>By: kuhnigget</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221809</link>
		<dc:creator>kuhnigget</dc:creator>
		<pubDate>Fri, 19 Feb 2010 18:21:38 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221809</guid>
		<description>If you look closely at the refraction spikes around that star, you can clearly see a rainbow. This is such obvious evidence of atmospheric chemtrail residue.

//chortle!</description>
		<content:encoded><![CDATA[<p>If you look closely at the refraction spikes around that star, you can clearly see a rainbow. This is such obvious evidence of atmospheric chemtrail residue.</p>
<p>//chortle!</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: DrFlimmer</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2010/02/19/hubble-sees-ancient-galaxies-rejuvenating-themselves/#comment-221808</link>
		<dc:creator>DrFlimmer</dc:creator>
		<pubDate>Fri, 19 Feb 2010 18:13:07 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=11907#comment-221808</guid>
		<description>@ #2 Matt

That&#039;s a foreground star of the Milky Way. Nothing interesting ;) Everything that has such streaks is a MW star.</description>
		<content:encoded><![CDATA[<p>@ #2 Matt</p>
<p>That&#8217;s a foreground star of the Milky Way. Nothing interesting <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' />  Everything that has such streaks is a MW star.</p>
]]></content:encoded>
	</item>
</channel>
</rss>

<!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/

Page Caching using disk: basic

Served from: blogs.discovermagazine.com @ 2013-05-24 12:54:29 -->