For all we know, every 10 billion years gravity may reverse and become a force that repels, light speed may slow down, the heat from cooler bodies may flow into hotter ones. I hope you have enjoyed my strange and diverse musings. Your replies will be most welcome. If you think my ideas are just plain crazy, feel entitled to say so. However, whatever your reply, it will not be considered of any merit unless you include your reasons why.
Life is so uncertain.
For those of you interested in further reading, I list below the principle books that I have read, and form the backbone of my library, regarding Cosmology, Astronomy, Physics and related subjects.