[ahazred8ta]

The Renaissance Mathematicus writes regularly about Kepler (read the Post 3 for each year)

https://thonyc.wordpress.com/the-trilogies-of-christmas-past...

[zyklu5]

Thanks for the reference. I am indeed aware of The Renaissance Mathematicus and I do occasionally read the blog. Unfortunately I find his posts are often lighter on mathematical detail. Maybe the situation is different with his writing on Kepler.