Excerpt from Publications of the National Bureau of Standards 1986 Catalog Keywords: 'variable stars, Reprints, 'hr 5999 star, Stellar winds. Stellar chromospheres. Keywords: Chromosphere, Solar corona, Solar wind, 'stellar chromospheres, 'stellar coronas, 'stellar winds, Early stars, Late stars, iue, heao 2. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.