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Best wishes to all my readers and followers,

I hope you enjoyed reading my previous post on dark matter, which is part of my series on cosmology, the study of the origin an evolution of the Universe as a whole.

As  you may recall in May/Jun last year I wrote series of  5 closely linked posts on the Moon. I have wrapped them all up into a 36 page e-booklet which you can get in Kindle format, by clicking on the picture below: