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	<title>Comments on: The artwork of the Martian landscape</title>
	<atom:link href="http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/</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>Tue, 14 Feb 2012 13:27:34 +0000</lastBuildDate>
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		<title>By: algeria:</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-361724</link>
		<dc:creator>algeria:</dc:creator>
		<pubDate>Sat, 26 Feb 2011 20:41:30 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-361724</guid>
		<description>can someone tell me wat is this??... :D :P</description>
		<content:encoded><![CDATA[<p>can someone tell me wat is this??&#8230; <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' />  <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_razz.gif' alt=':P' class='wp-smiley' /> </p>
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	<item>
		<title>By: The Mad LOLScientist, FCD</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-232470</link>
		<dc:creator>The Mad LOLScientist, FCD</dc:creator>
		<pubDate>Sat, 12 Dec 2009 17:34:01 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-232470</guid>
		<description>HOLY HALEAKALA! AAAAAAAAYYYY-MEN!</description>
		<content:encoded><![CDATA[<p>HOLY HALEAKALA! AAAAAAAAYYYY-MEN!</p>
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		<title>By: eternal</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-227736</link>
		<dc:creator>eternal</dc:creator>
		<pubDate>Tue, 24 Nov 2009 07:08:36 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-227736</guid>
		<description>damn this picture looks soooooo dirty, it looks like the freaking Y...</description>
		<content:encoded><![CDATA[<p>damn this picture looks soooooo dirty, it looks like the freaking Y&#8230;</p>
]]></content:encoded>
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	<item>
		<title>By: Further Adventures in Procrastination &#171; The Casual Art of Procrastination</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-221842</link>
		<dc:creator>Further Adventures in Procrastination &#171; The Casual Art of Procrastination</dc:creator>
		<pubDate>Fri, 23 Oct 2009 16:15:59 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-221842</guid>
		<description>[...] # Artwork from Mars [...]</description>
		<content:encoded><![CDATA[<p>[...] # Artwork from Mars [...]</p>
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		<title>By: Primordial Ooze : Dust Devils on Mars</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-221547</link>
		<dc:creator>Primordial Ooze : Dust Devils on Mars</dc:creator>
		<pubDate>Thu, 22 Oct 2009 11:15:57 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-221547</guid>
		<description>[...] are also common in dry and desert areas on planet Earth. Typically lasting only a few minutes, dust devils becoming visible as they pick up loose red-colored dust leaving the darker and heavier sand beneath [...]</description>
		<content:encoded><![CDATA[<p>[...] are also common in dry and desert areas on planet Earth. Typically lasting only a few minutes, dust devils becoming visible as they pick up loose red-colored dust leaving the darker and heavier sand beneath [...]</p>
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	<item>
		<title>By: hubs</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-221467</link>
		<dc:creator>hubs</dc:creator>
		<pubDate>Wed, 21 Oct 2009 23:22:02 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-221467</guid>
		<description>@Mike Pietrzak Martian air is mostly carbon dioxide, there is very little oxygen in it.</description>
		<content:encoded><![CDATA[<p>@Mike Pietrzak Martian air is mostly carbon dioxide, there is very little oxygen in it.</p>
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		<title>By: Trazas de remolinos de polvo marcianos &#124; Imagen astronomía diaria - Observatorio</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-221330</link>
		<dc:creator>Trazas de remolinos de polvo marcianos &#124; Imagen astronomía diaria - Observatorio</dc:creator>
		<pubDate>Wed, 21 Oct 2009 06:01:24 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-221330</guid>
		<description>[...] tan solo unos pocos minutos de duración, los remolinos de polvo se hacen visibles a medida que aspiran polvo rojizo suelto, dejando la arena más oscura y pesada [...]</description>
		<content:encoded><![CDATA[<p>[...] tan solo unos pocos minutos de duración, los remolinos de polvo se hacen visibles a medida que aspiran polvo rojizo suelto, dejando la arena más oscura y pesada [...]</p>
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		<title>By: Blake</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-221074</link>
		<dc:creator>Blake</dc:creator>
		<pubDate>Tue, 20 Oct 2009 05:56:05 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-221074</guid>
		<description>That image looks &quot;upside down&quot;

Very cool!</description>
		<content:encoded><![CDATA[<p>That image looks &#8220;upside down&#8221;</p>
<p>Very cool!</p>
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		<title>By: Mike Pietrzak</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220901</link>
		<dc:creator>Mike Pietrzak</dc:creator>
		<pubDate>Mon, 19 Oct 2009 17:04:19 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220901</guid>
		<description>Umm... air on Mars? that&#039;s interesting.</description>
		<content:encoded><![CDATA[<p>Umm&#8230; air on Mars? that&#8217;s interesting.</p>
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		<title>By: Luiz Felipe Vasques</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220792</link>
		<dc:creator>Luiz Felipe Vasques</dc:creator>
		<pubDate>Sun, 18 Oct 2009 23:38:25 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220792</guid>
		<description>&gt; 50 cm (18 inches) 

I&#039;m sorry, but it isn&#039;t accurate enough. An inch is roughly 2,5 cm. So, making it double and suming up the half of the inch valor, we would have 45 cm.

Just for being nitpicky, sorry.</description>
		<content:encoded><![CDATA[<p>> 50 cm (18 inches) </p>
<p>I&#8217;m sorry, but it isn&#8217;t accurate enough. An inch is roughly 2,5 cm. So, making it double and suming up the half of the inch valor, we would have 45 cm.</p>
<p>Just for being nitpicky, sorry.</p>
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		<title>By: Carnival of Space 125&#160;&#124;&#160;Orbiting Frog</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220739</link>
		<dc:creator>Carnival of Space 125&#160;&#124;&#160;Orbiting Frog</dc:creator>
		<pubDate>Sun, 18 Oct 2009 16:27:54 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220739</guid>
		<description>[...] on Bad Astronomy, Phil has some imagery from Mars that you need to embiggen fully to enjoy. Martian landscape [...]</description>
		<content:encoded><![CDATA[<p>[...] on Bad Astronomy, Phil has some imagery from Mars that you need to embiggen fully to enjoy. Martian landscape [...]</p>
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		<title>By: Bahdum (aka Richard)</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220669</link>
		<dc:creator>Bahdum (aka Richard)</dc:creator>
		<pubDate>Sun, 18 Oct 2009 02:28:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220669</guid>
		<description>I saw a documentary show on TV one time talking about super weather, or something along those lines. Anyway, they brought up the Martian dust devils. However, they likened them to tornadoes, rather than &quot;dust devils.&quot;

I think it was sensationalism in action, really.

In the Central Valley of California, I have noticed an area that has its fair share of dust devils. They range from less than a foot in diameter to maybe four to six feet. (I&#039;m bad at judging distance and eyeballing measurements, so take that with a teaspoon of salt.)

They can be wispy and weak and they can be bold enough to garner shading on themselves. Even from miles away, you can make some out.

But, I&#039;m driving when I see them so I can only give them the briefest of attention.

They are mesmerizing, though.</description>
		<content:encoded><![CDATA[<p>I saw a documentary show on TV one time talking about super weather, or something along those lines. Anyway, they brought up the Martian dust devils. However, they likened them to tornadoes, rather than &#8220;dust devils.&#8221;</p>
<p>I think it was sensationalism in action, really.</p>
<p>In the Central Valley of California, I have noticed an area that has its fair share of dust devils. They range from less than a foot in diameter to maybe four to six feet. (I&#8217;m bad at judging distance and eyeballing measurements, so take that with a teaspoon of salt.)</p>
<p>They can be wispy and weak and they can be bold enough to garner shading on themselves. Even from miles away, you can make some out.</p>
<p>But, I&#8217;m driving when I see them so I can only give them the briefest of attention.</p>
<p>They are mesmerizing, though.</p>
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		<title>By: FlowersInHisHair</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220646</link>
		<dc:creator>FlowersInHisHair</dc:creator>
		<pubDate>Sat, 17 Oct 2009 23:24:06 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220646</guid>
		<description>I see these swirls and I think: good candidate for geek-tattoo.</description>
		<content:encoded><![CDATA[<p>I see these swirls and I think: good candidate for geek-tattoo.</p>
]]></content:encoded>
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		<title>By: Drawings on Mars? &#171; My Dark Sky</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220635</link>
		<dc:creator>Drawings on Mars? &#171; My Dark Sky</dc:creator>
		<pubDate>Sat, 17 Oct 2009 22:08:56 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220635</guid>
		<description>[...] Bad Astronomer will explain to you how this landscape was done. [...]</description>
		<content:encoded><![CDATA[<p>[...] Bad Astronomer will explain to you how this landscape was done. [...]</p>
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		<title>By: Kristjan</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220605</link>
		<dc:creator>Kristjan</dc:creator>
		<pubDate>Sat, 17 Oct 2009 17:43:06 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220605</guid>
		<description>This revelation would suggest that the so called &quot;wet patches&quot; on the sides of some hills on Mars are not water seepage, but in fact dry landslides that simply are exposing the darker soil underneath.</description>
		<content:encoded><![CDATA[<p>This revelation would suggest that the so called &#8220;wet patches&#8221; on the sides of some hills on Mars are not water seepage, but in fact dry landslides that simply are exposing the darker soil underneath.</p>
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		<title>By: Chas Becht (mrchas) 's status on Saturday, 17-Oct-09 03:32:00 UTC - Identi.ca</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220535</link>
		<dc:creator>Chas Becht (mrchas) 's status on Saturday, 17-Oct-09 03:32:00 UTC - Identi.ca</dc:creator>
		<pubDate>Sat, 17 Oct 2009 03:32:04 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220535</guid>
		<description>[...]  http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/        a few seconds ago  from  Gwibber [...]</description>
		<content:encoded><![CDATA[<p>[...]  <a href="http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/" rel="nofollow">http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/</a>        a few seconds ago  from  Gwibber [...]</p>
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		<title>By: The artwork of the Martian landscape &#171; Xenophilia (True Strange Stuff)</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220489</link>
		<dc:creator>The artwork of the Martian landscape &#171; Xenophilia (True Strange Stuff)</dc:creator>
		<pubDate>Fri, 16 Oct 2009 22:13:47 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220489</guid>
		<description>[...] via The artwork of the Martian landscape &#124; Bad Astronomy &#124; Discover Magazine. [...]</description>
		<content:encoded><![CDATA[<p>[...] via The artwork of the Martian landscape | Bad Astronomy | Discover Magazine. [...]</p>
]]></content:encoded>
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		<title>By: Shawn</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220448</link>
		<dc:creator>Shawn</dc:creator>
		<pubDate>Fri, 16 Oct 2009 19:04:08 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220448</guid>
		<description>Holy Haleakala.</description>
		<content:encoded><![CDATA[<p>Holy Haleakala.</p>
]]></content:encoded>
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		<title>By: El arte en el paisaje marciano &#171; Pasa la vida</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220404</link>
		<dc:creator>El arte en el paisaje marciano &#171; Pasa la vida</dc:creator>
		<pubDate>Fri, 16 Oct 2009 15:05:26 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220404</guid>
		<description>[...] Vía Bad Astronomy [...]</description>
		<content:encoded><![CDATA[<p>[...] Vía Bad Astronomy [...]</p>
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		<title>By: Grizzly</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220402</link>
		<dc:creator>Grizzly</dc:creator>
		<pubDate>Fri, 16 Oct 2009 14:39:52 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220402</guid>
		<description>The blue stripe is actually a downslope.  Consider that it is a couple of hours past noon.  Light coming from the left, the blue is illuminated from there.</description>
		<content:encoded><![CDATA[<p>The blue stripe is actually a downslope.  Consider that it is a couple of hours past noon.  Light coming from the left, the blue is illuminated from there.</p>
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		<title>By: Luke Dudney</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220393</link>
		<dc:creator>Luke Dudney</dc:creator>
		<pubDate>Fri, 16 Oct 2009 13:13:49 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220393</guid>
		<description>Instant desktop wallpaper.</description>
		<content:encoded><![CDATA[<p>Instant desktop wallpaper.</p>
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		<title>By: What is it?</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220385</link>
		<dc:creator>What is it?</dc:creator>
		<pubDate>Fri, 16 Oct 2009 12:10:41 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220385</guid>
		<description>[...]  [...]</description>
		<content:encoded><![CDATA[<p>[...]  [...]</p>
]]></content:encoded>
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	<item>
		<title>By: Astronomynut</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220382</link>
		<dc:creator>Astronomynut</dc:creator>
		<pubDate>Fri, 16 Oct 2009 11:39:19 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220382</guid>
		<description>Who else sees a lake at top of the bottom fourth of the full size image? Just below the dark band. I&#039;d be interested to hear what that is. I know it&#039;s not, but it sure looks like a giant lake.</description>
		<content:encoded><![CDATA[<p>Who else sees a lake at top of the bottom fourth of the full size image? Just below the dark band. I&#8217;d be interested to hear what that is. I know it&#8217;s not, but it sure looks like a giant lake.</p>
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	<item>
		<title>By: Mike</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220377</link>
		<dc:creator>Mike</dc:creator>
		<pubDate>Fri, 16 Oct 2009 11:11:57 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220377</guid>
		<description>KC Says:
Someone is definitely channeling Percival Lowell and Schiaparelli!

My thoughts exactly!</description>
		<content:encoded><![CDATA[<p>KC Says:<br />
Someone is definitely channeling Percival Lowell and Schiaparelli!</p>
<p>My thoughts exactly!</p>
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		<title>By: Lars</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2009/10/15/martian-swirly/comment-page-2/#comment-220375</link>
		<dc:creator>Lars</dc:creator>
		<pubDate>Fri, 16 Oct 2009 11:08:21 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=6169#comment-220375</guid>
		<description>That picture reminds me of the chest of the waitress at the local metal rock pub. She&#039;s got some sweet tats.

@kuhnigget: To a layman like me, your calculations seem highly plausible. Hadn&#039;t it been for the Dune reference earlier in this thread, I&#039;d declare it a w00tz0r.</description>
		<content:encoded><![CDATA[<p>That picture reminds me of the chest of the waitress at the local metal rock pub. She&#8217;s got some sweet tats.</p>
<p>@kuhnigget: To a layman like me, your calculations seem highly plausible. Hadn&#8217;t it been for the Dune reference earlier in this thread, I&#8217;d declare it a w00tz0r.</p>
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