rxb

The race is on !
Lunar surface = Helium-3

I believe that Jerry Lewis had a solid-gold Nikon, possibly a Nikon F,
with a diamond in the viewfinder.

Sorry for the confusion ... my error ;
the ''small '' size of black holes mentioned previously was in relation to
the ''size'' of the entire galaxy and the unlikelihood to observe one !
And, if the...

Black holes , even the super enormous massive ones are probably very small , in size, perhaps hardly possible for good observation. Surely, out of the question, for the time being. With the...