Wednesday, February 27, 2013

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 portrayed as a beetle rolling the Sun in front of him. The Egyptians noticed that the scarab beetles rolled balls of dung along the ground, and they saw this as an analogy for the Sun moving across the sky.

Wednesday, February 13, 2013

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 light-collecting mirror and come in several different configurations. So here's your first big decision, refractor or reflector, and what size?

Friday, February 8, 2013

Sir Isaac Newton, The big idea

Sir Isaac Newton, 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 a single theory system.

Discovery reveals dwarf planet with no atmosphere

A lately discovered dwarf planet located 4 billion miles from Earth, has been revealed to have no atmosphere,,