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SunPosition, online application for calculating the sun's position and sun's path accurately for any day of the year.

Welcome to the Solar Data Analysis Center (SDAC) at NASA Goddard Space Flight Center in Greenbelt, Maryland USA. The Solar Data Analysis Center serves Solar Images ...

Importers based in Bedford. Product descriptions with list of stockists.

The HELAS Network aims to support and coordinate the exchange of knowledge concerning the global properties of the Sun and stars.

What is the analemma? With a few simple animations the analemma can be readily understood

Learn Language Vocabulary with Mnemonics

FindMyShadow.com calculates the position of the sun at any location and date, and plots the shadows cast by the sun throughout the day at different times of the ...