Not dirty snowballs:
And Donald Scott's THE ELECTRIC SKY
is an excellent primer on the subject.
From Scott's preface to THE ELECTRIC SKY:
It was when astrophysicists began saying things that I, as an electrical engineer, knew were wrong that I began to have serious doubts about their pronouncements. But I agonized over whether those doubts were legitimate. Even though my life-long avocation has been amateur astronomy, my formal background is in engineering – not astronomy or cosmology.
Earning a doctorate in electrical engineering eventually led to my teaching that subject at a major university for thirty-nine years. What troubled me most was when astrophysicists began saying things that any of my junior-year students could show were completely incorrect.
If astrophysicists were saying things that were demonstrably wrong in my area of expertise, could it be that they were making similar mistakes in their own field as well? I began to investigate more of the pronouncements of modern astrophysicists and the reasoning behind them. This book is an account of what I unearthed when I started digging into this question.
It is becoming clear that knowledge acquired in electric plasma laboratories over the last century affords insights and simpler, more elegant, more compelling explanations of most cosmological phenomena than those that are now espoused in astrophysics. And yet astrophysicists seem to be intent on ignoring them. Thus, lacking these fundamental electrical concepts, cosmologists have charged into a mind-numbing mathematical cul de sac, creating on the way a tribe of invisible entities – some of which are demonstrably impossible.
If your mind is rebelling against this even now, then pretend Scott's book is merely foundational material for a sci-fi story you are writing and see where it takes you.