TY - JOUR T1 - The First Satellite of Jupiter JF - Abdruck aus den Astr. Nachr. Bd. 146. Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - jupiter KW - satellite ER - TY - MGZN T1 - Forms of Jupiter's Satellites Y1 - 1894 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - jupiter KW - satellites JF - Popular Astronomy ER -