Refraction Software

Saturn 3D Space Tour Coeli - Stella 2000 Easy Web Buttons Almanac

Saturn 3D Space Tour - Astonishing realistic 3D-animated space views of Saturn with it's famous Rings.

Coeli - Stella 2000 - Integrated talking astronomy software suite with encyclopedic reference

Easy Web Buttons - Point and click your way to great looking glass or plastic 3D web buttons.

Almanac - Calculates the times of rise, set, and transit of the sun, moon, and planets.

 

Alcyone Ephemeris 

Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets.
ephemeris ephemerides astronomy planetary positions lunar positions celestial mechamics

Looking Glass 

Looking Glass is an interactive physics package that helps students visualize and understand the effects of optical components on light rays. While creating and exploring their own lenses and mirrors, students encounter the core concepts in optics.
concave convex image lens light mirror optics ray reflection

 
 


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