The precise temperature required, however, is not known and may not be the same in laboratory experiments as it is in space, ... Yet it might be that we are seeing evidence for 'planetary' processes such as volcanism within these bodies.  -   David Stevenson     Quotes
The precise temperature required, however, is not known and may not be the same in laboratory experiments as it is in space, ... Yet it might be that we are seeing evidence for 'planetary' processes such as volcanism within these bodies. David Stevenson