Located in Cambridge, Massachusetts, the Smithsonian Astrophysical Observatory makes significant contributions to knowledge of astrophysics, through studies of meteors, meteorites, artificial satellites, geophysics, stellar atmospheres and space science. With data from artificial satellites, obtained by its network of twelve tracking stations located in countries around the world, the Observatory is measuring the density and temperature of the atmosphere at various heights above the earth. It is also designing and instrumenting new telescopes. Such studies are helping man to master space. |