<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/d6e5d03e-6596-44fc-a6a5-f9873f5e26b7/91D01778-C9CD-48B4-ACB9-450C0D673B44/" 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.astronomynow.com/news/n0908/13sn/" href="http://www.astronomynow.com/news/n0908/13sn/" style="font-size: 11px;">www.astronomynow.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.astronomynow.com/news/n0908/13sn/"><B>Variability in type <BR />Ia supernovae </B></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.astronomynow.com/news/n0908/13sn/"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.astronomynow.com/img/8F4D9BE2-D621-48A5-AA96-D984C19C149B" alt="" /></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.astronomynow.com/news/n0908/13sn/"><FONT size="-2" face="Verdana, Arial, Helvetica, sans-serif">This image based on a computer simulation of a type 1a supernova shows the turbulent and asymmetric flame of the runaway thermonuclear burning that consumes the white dwarf star. Image by F. Ropke.</FONT></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.astronomynow.com/news/n0908/13sn/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.astronomynow.com/img/17FADE02-6EB3-4A7A-9FB6-E662754206A9" alt="" /></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.astronomynow.com/news/n0908/13sn/"><FONT size="-2" face="Verdana, Arial, Helvetica, sans-serif">Multiwavelength X-ray / infrared image of SN 1572 or Tycho's Nova, the remnant of a Type Ia supernova. (NASA/CXC/JPL-Caltech/Calar Alto O. Krause et al.) </FONT></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.astronomynow.com/news/n0908/13sn/"><P> In a new study published this week in <I>Nature</I>, sources of variability in type 1a supernovae are revealed that could play havoc with their reputation as such reliable distance markers. </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.astronomynow.com/news/n0908/13sn/"><P> Kasen and his coauthors used supercomputers to simulate type 1a supernovae explosions to explore what causes those differences in brightness. The simulations were based on how and where the ignition process begins inside the white dwarf and where it makes the transition from slow-burning combustion to explosive detonation. They found that due to the chaotic nature of the processes involved, the explosions where largely asymmetric. </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/91D01778-C9CD-48B4-ACB9-450C0D673B44/blog/" title="blog or email this clip"><img src="http://content8.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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