Diminishing Returns!


	Diminishing Returns!

CulturalEngineer

11-5-2009 7:09 AM

5285 views

tags:

economics, politics, science, astronomy

CulturalEngineer says:

An astronomical example of how scale can change encouraging environments to discouraging ones... (what does this have to do with governance or economics?)

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2e2ccf41-6ebf-4ee6-80d9-04a7182826be/2F820B1D-EFE5-40CE-B793-0A1FF61314A8/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows" href="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows" style="font-size: 11px;">www.sciencenews.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows"><DIV class="topic content_description print">
    Giant galaxy graveyard grows    </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows">Galaxies that group together tend to switch off each others’ star formation, “bringing a flourishing galaxy into a dead one,”</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows"><P>Astronomers think that grouped galaxies speed up, stripping away their neighbors’ hot gas, the raw material for forming stars. When galaxies cluster, “there is always a threshold when groups go from an encouraging environment to a suffocating environment,” Finoguenov says.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows"><P>Tanaka’s team identified tens of clumps of galaxies surrounding CL0016+16, some of which are up to a thousand times more massive than the Milky Way.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencenews.org/index/generic/activity/view/id/49131/title/Giant_galaxy_graveyard_grows"><P>And most of those galaxies are either dead or dying, meaning they’re not making new stars. The tremendous gravitational pull of the central cluster  is drawing in other galaxies, which will eventually cease star formation in the growing galactic graveyard.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/2F820B1D-EFE5-40CE-B793-0A1FF61314A8/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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