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Politics : Politics for Pros- moderated

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From: KLP	12/31/2009 7:55:17 PM
	2 Recommendations Read Replies (2) of 793927

Yes, It's New Year's Eve! Was going to send you all the link immediately below ..... dl8.glitter-graphics.net BUT because we're seeing pretty downer news and views outside, thought we needed something to make us think of the BIGGER Picture, so here goes.... HAPPY NEW YEAR 2010 EVERYONE! 2009 December 31 antwrp.gsfc.nasa.gov Dust and the Helix Nebula NASA, JPL-Caltech, Kate Su (Steward Obs, U. Arizona) et al. Explanation: Dust makes this cosmic eye look red. The eerie Spitzer Space Telescope image shows infrared radiation from the well-studied Helix Nebula (NGC 7293) a mere 700 light-years away in the constellation Aquarius. The two light-year diameter shroud of dust and gas around a central white dwarf has long been considered an excellent example of a planetary nebula, representing the final stages in the evolution of a sun-like star. But the Spitzer data show the nebula's central star itself is immersed in a surprisingly bright infrared glow. Models suggest the glow is produced by a dust debris disk. Even though the nebular material was ejected from the star many thousands of years ago, the close-in dust could be generated by collisions in a reservoir of objects analogous to our own solar system's Kuiper Belt or cometary Oort cloud. Formed in the distant planetary system, the comet-like bodies would have otherwise survived even the dramatic late stages of the star's evolution.

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