Measure solar system objects and their movements for yourself
Clark, John D
Measure solar system objects and their movements for yourself by John D Clark - New York Springer 2009 - xv, 173p - Patrick Moore's practical astronomy series .
9780387895604
522 / P09
Measure solar system objects and their movements for yourself by John D Clark - New York Springer 2009 - xv, 173p - Patrick Moore's practical astronomy series .
9780387895604
522 / P09