00505nam a22001577a 4500 0 0 0 0 RIU RIU 2012-07-17 Purchased: Royal Book Company 758.21 6 523 SCH 0727 2024-02-15 00:00:00 2024-02-12 1 2019-02-21 BK 2283 2283 047151067X (pbk) 0471520934 523 SCH Schaff, Fred Seeing the sky 100 projects, activities, and explorations in astronomy New York John Wiley & Sons 1990 xi, 212 p. : ill. ; 25 cm. Includes index. Astronomy Star colors Moon light Light pollution Planets Meteors FEAS BK