laughin posted links to complaints raised against Velikovsky's Venus scenario by Carl Sagan - far too many to address effectively here without essentially rewriting my book.

As an example, Sagan noted that any event capable of ejecting Venus from Jupiter would have vaporized large portions of Jupiter, which should remain intensely hot even today.

One mystery relating to Jupiter is why its core measures half the size and twice the temperature as is predicted by prevailing theory. A 2010 study from researchers at Peking University concluded that a body ten times the size of the Earth collided with Jupiter, then sank to its core and vaporized it (see link to study below.)

The giant Red Spot storm on Jupiter reaches down to its core and up to the top of the Jovian atmosphere, and is thought to shuttle material upward through the atmosphere. Perhaps a product of that impact, it could quite conceivably have been the conduit of material ejected by the collision.

Sagan said that any astronomic process that creates a large body also creates many smaller bodies. My outlook is that the same process could quite reasonably have intermixed the varied materials documented to constitute some comets.

By comparison to ancient myths cited by Velikovsky, the god Zeus learned through prophecy that a goddess named Metis would give birth to a god even greater than him. To prevent that, he swallowed Metis, and Pallas Athene (Venus) sprung from his head.

As another example, Sagan remarks about the unlikelihood of an event occuring with just the right energy to have ejected Venus into orbit without also ejecting it out of the solar system. The first problem with Sagan's outlook is that he should know there is no validity to applying calculations of probability retrospectively. If there were, we could easily make the argument based on probabilities that the universe itself shouldn't exist.

- Laird


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Edited 6 time(s). Last edit at 01-Nov-15 05:51 by Laird Scranton.