NASA — Science News — The Indian Panorama

February 14, 2015 8:02 AM

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NEW DELHI (TIP): Nasa researchers may have discovered why comets are encased in a hard, outer crust – like ice cream that has been deep fried. Using an icebox-like instrument nicknamed Himalaya, they showed that fluffy ice on the surface of a comet would crystalize and harden as the comet heads toward the sun and warms up.

“A comet is like deep fried ice cream,” said Murthy Gudipati of Nasa’s Jet Propulsion Laboratory, corresponding author of a recent study appearing in The Journal of Physical Chemistry.“The crust is made of crystalline ice, while the interior is colder and more porous. The organics are like a final l...

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