In article ,
steve rappolee wrote:
...but why not dispose of this
"waste in the form of RTG's and other nuclear power devices...

Unfortunately, the vast majority of it is not suitable for that purpose --
too short a half-life, too long a half-life, too much gamma-ray emission,
or not available in a durable solid form tolerant of high temperatures.
--
MOST launched 30 June; science observations running | Henry Spencer
since Oct; first surprises seen; papers pending. |