Milky Way double haloes spin both ways


	Milky Way double haloes spin both ways

pokkets

12-12-2007 10:20 PM

763 views

tags:

milky way, galaxy, halo, gas, collapse, star, double, spin

pokkets says:

Perhaps remains of a gas clouds from which the Milky Way formed, it suggests the creation of the Milky way resulted from the turbulence of two primeval galaxies, spinning in opposite directions, which collided and were held together by mutual attraction

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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://www.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/cb6d5941-f4ea-46d2-80e3-fef79c470dc9/CCCF4DAE-4A2F-4CEC-AC19-1C8214C8C6CD/" 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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space" href="http://www.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space" style="font-size: 11px;">www.abc.net.au</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"> Anna Salleh</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><P class="first">The halo of stars surrounding the Milky Way is made up of two different parts that spin in opposite directions, according to an international team of astronomers.</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.abc.net.au/img/1AE9373C-C11D-4673-AFC6-9CBED953236F" alt="Milky Way" /></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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space">findings could help settle a long-standing debate about how our galaxy and its halo formed</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space">research could also help astronomers pin down much sought-after astronomical evidence of conditions just after the Big Bang</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space">PhD student Daniela Carollo, based at Australia's <A target="_blank" href="http://www.mso.anu.edu.au/">Mount Stromlo Observatory</A> in Canberra, and colleagues, report their findings today in the journal <A target="_blank" href="http://www.nature.com/"><EM>Nature</EM></A></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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space">The Milky Way halo is a sphere of ancient stars, invisible to the naked eye, that surrounds the familiar flattened spiral disc of the galaxy</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><table background="undefined" bgcolor=""><tr><TD width="11%"> </TD></tr></table></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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><P>"We believe there are two main parts to the halo. It's not one simple halo," says Carollo's co-author and PhD supervisor Professor John Norris.</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><P>The researchers found inner and outer haloes, which rotate in opposite directions.</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.abc.net.au/science/articles/2007/12/13/2116913.htm?site=science&topic=space"><P>the inner halo is a flattened sphere rotating in the same direction as our sun but more slowly.</p> <P></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/CCCF4DAE-4A2F-4CEC-AC19-1C8214C8C6CD/blog/" title="blog or email this clip"><img src="http://content7.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>