After its discovery in 1874 and subsequent observations in 1884 had established Hertha's orbit, astronomers began investigation of its physical properties.
Astronomers then began investigation of its physical properties. After its discovery in 1874, subsequent observations in 1884 established Hertha's orbit.
After its discovery in 1874, subsequent observations in 1884 established Hertha's orbit. Astronomers then began investigation of its physical properties.
After its discovery in 1874, subsequent observations in 1884 established Hertha's orbit. Astronomers then began investigation of its physical properties.