Milky Way feels tug of largest mass in the universe

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	Milky Way feels tug of largest mass in the universe

rnilanjan

4-7-2009 10:54 AM

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tags:

astronomy, space

rnilanjan says:

Quite an old news, but relevant to what I have posted today

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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/1f4fa43f-942d-4871-810a-5190b0a50d34/BD896852-9C96-44A2-9656-24688B9BCBB7/" 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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html" href="http://www.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">The Milky Way is one of a long line of galaxies streaming towards a point about 500 million light years away</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.newscientist.com/img/3461B909-6C99-4CC8-B8FC-FE2A43E09EC5" alt="This image, taken with the European Southern Observatory's Wide Field Imager, shows the galaxies visible in the " /></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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html"> massive galaxy clusters that lie in the plane of the Milky Way, where dust obscures observations at visible wavelengths. This plane covers a third of the sky and blocks much of the visible light from objects behind it, earning it the title the Zone of Avoidance.</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">subsequent observations at infrared wavelengths suggested the Milky Way was in fact not drawn towards the Great Attractor</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">So far it has identified 205 galaxy clusters, 79% of which are new discoveries</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">We ended up finding out the Great Attractor wasn't that great</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">Instead, the Milky Way is part of a surge of galaxies moving past the Great Attractor, towards the Shapley supercluster, an agglomeration of 17 clusters of galaxies about 490 million light years away.</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.newscientist.com/article/dn8471-milky-way-feels-tug-of-largest-mass-in-the-universe.html">It is the most massive known structure in the observable universe, topping the list of 220 known superclusters, and is four times as massive as the Great Attractor</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/BD896852-9C96-44A2-9656-24688B9BCBB7/blog/" title="blog or email this clip"><img src="http://content9.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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