Would like to add some questions on spiral galaxies centers. Is the
blackhole creating such great radiation we observe in the hub?
Can there be more than one blackhole there? We now know
closer to our galaxies core there is a star that radiates 10 million
times that of the sun.(brightest star in the Milky Way) Is
it a supernova?. Thats a little to close for comfort. One could write a
Sci-fiction book,and use that as the theme. This is my most important
question. We can't see across to our galaxy's hub,for space dust blocks
out its view. Here comes my question. How would this effect our night
sky if there was no dust? Bert