You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Oberth effect is named after a physicist who passed away in what year ?" whose answer is 1989.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Hermann Oberth death year
Useful Output:

Doc 1: Hermann Oberth died in Nuremburg in 1989. Further Reading. https  This page was last edited on 19 February 2020, at 16:40. About ETHW.
Doc 2: Dead: December 28, 1989, Feucht – near Nürnberg, Germany [95 years]. There are the well-known data on Hermann Oberth's university studies at
Doc 3: Hermann Oberth (June 25, 1894, died December 29, 1989) was one of the foremost rocket theorists of the 20th century.
Doc 4: Born: June 25, 1894 · Birthplace: Hermannstadt, Siebenburgen, Transylvania · Died: December 29, 1989 · Place of death: Nürnberg, West Germany (now in Germany).
Doc 5: He was 95 years old. Mr. Oberth died at a hospital in Nuremberg after a short illness, the Hermann Oberth Museum in Feucht said in a statement.