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2011 Nautical Almanac

Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.

Dark Solar System

View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn`s rings. It makes you able to know about dark matter and dark energy in our planet system.

Nautical Almanac

Complete 2014 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.