Shareware, $49.00
... planets, comets, asteroids, DSOs, and up to 300,000 stars. Planetarium effects include scintillation, extinction, refraction, and precession ... primer covering topics such as "What are the Stars?", "Choosing a Telescope", "Cosmology", "Dark Matter", "Eclipses", and "The History of Astronomy", to name but a few -- are closely coordinated with the sky ...
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