Astronomy Projects with an Observatory You Can Build (Build-A-Lab! Science Experiments)
By Robert Gardner.
Description
How many stars can you see? How big are the moon and the sun? Why are there seasons? Robert Gardner guides young scientists in building their own observatory. Then they can use the observatory to find answers to many questions and to develop their own science fair projects. - from Amzon
ISBN(s)
0766028089, 9780766028081
