Explanations about and instructions for observing the sun, moon, planets, stars, auroras, comets, meteors, and man-made satellites. Includes simple experiments and directions for making devices to aid in observation.
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Explanations about and instructions for observing the sun, moon, planets, stars, auroras, comets, meteors, and man-made satellites. Includes simple experiments and directions for making devices to aid in observation.
Read Less
