Friedrich Tietjen
Encyclopedia
Friedrich Tietjen was a German
astronomer
.
He was director of the Astronomisches Rechen-Institut (ARI) from 1874 until his death in 1895.
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
.
He was director of the Astronomisches Rechen-Institut (ARI) from 1874 until his death in 1895.
| 86 Semele 86 Semele 86 Semele is a large and very dark main-belt asteroid. It is probably composed of carbonates. Semele was discovered by German astronomer Friedrich Tietjen on January 4, 1866. It was his first and only asteroid discovery. It is named after Semele, the mother of Dionysus in Greek... |
January 4, 1866 |