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Scarab Beetle of Ancient Egypt, mystery and use in spells
For the ancient Egyptians the common scarab beetle, Scarabaeus sacer, was a daily reminder of KHEPRI, the manifestation of the sun god RE in the early morning. Khepri's job was to help the rising Sun journey across the sky each day, and he is often p
Refractor or Reflector, for Deep Sky Photography
If you target for faint deep sky imaging, then you will need a very good quality optics, and these come in two main designs, refractors and reflectors. Refractors are the ones with the main objective lens at the front, reflectors counts on a big ligh
Sir Isaac Newton, The big idea
Sir Isaac Newton was an English physicist who created the foundations of modern-day classical mechanics. The core of this was his representation of universal gravitation and explains the existing three laws of motion, which he brought together under
