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Geoff Mosley
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Seeking advice here. I could get the new Asus Cube (below) or a Roku 3. The Cube is getting very good reviews so far. I really want YouTube, which is only on the Cube, but my daughter also really wants Hulu, which is only on the Roku. What to do?
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Watercolor by Seikou Yamaoka,Japan

Good evening
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Comet ISON -- officially designated C/2012 S1 -- may become one of the most dazzling shows in decades when it nears our sun later this year.

Like all comets, ISON is a clump of frozen gases mixed with dust. Often described as "dirty snowballs," comets emit gas and dust whenever they venture near enough to the sun as that icy material transforms from a solid to a gas, a process known as sublimation. Jets powered by sublimating ice also release dust, which reflect sunlight and brightens the overall look of the comet in the sky.

In late November 2013, its icy material will sublimate and release large quantities of dust as the surface erodes under the sun's immense solar heat. During this time, the comet may become bright enough to admire with little to no astronomy training and could potentially be viewable for star-watching in the Northern hemisphere during the day.

Comet ISON is believed to be making its first trip to the sun, and so it is hoped to still have most of its volatiles intact. Volatiles are the substances which heat up and blast off the comet's nucleus to form the wispy comet tail which can stretch for millions of miles through space.

Watch the SpaceRip video here: ISON - Comet of the Century

Read more about ISON here: http://www.nasa.gov/mission_pages/asteroids/news/asteroid20130205.html

#NASA   #Penny4NASA   #Space   #Comet #Astronomy  
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