orbit

Space 50

Published in 2005, this work celebrates 50 years of space exploration, from its Cold War beginnings of satellites and manned missions into space, to orbiting space stations and unmanned exploratory missions to other planets in our solar system. Published by Smithsonian Books, this beautifully illustrated work features histories from participants in both the Soviet Union and the United States space programs. It was written by science journalist and space historian Piers Bizony, with a foreword by Sir Arthur C. Clarke.

Q.F.F.Q.S. Dissertatio Gradualis, De Gravitate Corporum Terrestrium

Graduate dissertation defended by A. A. Roman at the University of Uppsala discussing the effects of gravity upon terrestrial bodies. together with:

Dissertatio gradualis de gravitate lunae . . . Samuel Klingenstierna, praeses. Gabriel Kolmodin, respondent. Holmiae: Literis Wernerianis, 1734.

Dissertatio gradualis de gravitate aeris. . . Samuel Klingenstierna, praeses. Johann Kristiern Duraeus, respondent. Upsaliae, Literis Wernerianis, 1732.