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The hard and the soft of it

12 October 2013
Mythology, Physics

Cadbury's Milk Tray, brought by a hunk to a swooning lady, was depicted with a selection of hard and soft centres, chocolates to suit any taste. At www.thunderbolts.info/wp/2013/10/09/mired-in-slush-2/ … it asks, do the centre of planets contain molten magma or a rocky slush? A gravity map of Titan made by the Cassini spacecraft in orbit around Saturn suggests its interior is a mixture of rock and ice with no layering. Variations in the gravity seem to imply a variationin density – unlike the body of Earth's Moon. Wal Thornhill claims many of the anomalies associated with Titan can be explained if it is assumed it is young. He suggests Titan has a recent electrical birth from Saturn in a paroxysm (and its atmosphere,surface features, and core are the result of that catastrophic event). The gravity effects picked up by Cassini could be due to electrical inhomogeneities.

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