books

Spherical Astronomy book

/ / Astronomy /

Spherical Astronomy by Robin M Green claims to be a updated version of a previous book of the same title that was the standard introductory text on positional astronomy.  The claim seems sound.  After my math refresher books, I started it again.  This time, some concepts started to make sense after a couple of readings.  […]

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Math Refresher Books

/ / Purpose /

When I started the first page of Spherical Astronmy by Robin M Green, I realized I couldn’t remember any of my high school math.  Wow, I remember being so good at math!  I took AP Calculus in high school and know can’t remember what a cosine is. So, I searched around Amazon and found a

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