Does the Universe Have an Edge?


	Does the Universe Have an Edge?

wildcat

5-23-2007 7:06 AM

865 views

tags:

science, physics, cosmology, universe, edge

1 Comment |

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6-2-2007 12:27 PM

RobinLKM

Although this is true, cosmologists will still be tangling hard to know the fact.

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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/9de6556f-26f4-46db-970d-8fbd9792bd8e/34E3DA1B-4A50-401C-AE6A-8364F7D430F5/" 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.livescience.com/mysteries/060902_universe_edge.html" href="http://www.livescience.com/mysteries/060902_universe_edge.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/mysteries/060902_universe_edge.html">No. That's the simple answer. And I recommend you stop there and be satisfied, because as soon as you dig deeper, you'll be <A href="http://www.space.com/scienceastronomy/astronomy/universe_overview_010605-1.html">as confused as the average cosmologist</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.livescience.com/mysteries/060902_universe_edge.html"><P class="style1">You're still reading. Okay, here goes:  Imagine ants crawling on a balloon. They can crawl forever and never reach an edge; at best, they might return to where they started. Of course now you're thinking, "Hey, if I'm inside the balloon and I head outward, I will hit it and that'll sure seem like an edge." Thing is, the balloon is expanding so rapidly that you'll <A href="http://www.space.com/scienceastronomy/universe_end_011212.html">never get there</A>. And even if you did, those same wacky cosmologists that dreamed up the ants-on-a-balloon explanation say they have no clue whether there is more of our universe (or <A href="http://www.space.com/scienceastronomy/mystery_monday_040531.html">more <EM>universes</EM></A>) beyond the limits of the observable one. </p> <UL><li style="margin-left:16px;padding-left: 0px;"><A class="style1" href="http://www.space.com/scienceastronomy/astronomy/universe_overview_010605-1.html"></A></LI></UL></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/34E3DA1B-4A50-401C-AE6A-8364F7D430F5/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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