article_snippet: Last month, Nasa said the structure of Comet 67P resembles ice cream.
article_snippet: In an experiment, they found that while the exterior of a comet is encased in a hard, outer crust, the interior would mostly be fluffy ice.
article_snippet: A comet is like deep fried ice cream,' said Dr Murthy Gudipati of Nasa's Jet Propulsion Laboratory in Pasadena, California, corresponding author of a recent study appearing in the Journal of Physical Chemistry. '
article_snippet: The crust is made of crystalline ice, while the interior is colder and more porous.
article_snippet: To come to the conclusion, astronomers used an icebox-like instrument nicknamed Himalaya.
article_snippet: astronomers showed that fluffy ice on the surface of a comet would crystallise and harden as the comet heads towards the sun and warms up.