I These planetarium shows occured in the early 70's when I was touring and performing
with the multi media group, Central Maine Power Sound And Light.
For the times, these shows were amazingly advanced for their
special effects generated on the ceiling of the planetariums.
I remember looking up while I was performing, to see my face about 20 feet wide on the dome,
interspersed with stars. Then, Bill Etra, our special effects genius, would spin the image
and it would evolve into a mandala rotating on the ceiling.
These were mind-blowing shows, all sold out. Afterwards audience members would come up to tell us
that they couldn't get out of their seats afterwards as they were still spinning...!