# Friedrich von Hahn

> Friedrich II. Graf von Hahn was a German nobleman, a philosopher and astronomer born in Neuhaus, Duchy of Holstein, Holy Roman Empire. He suggested the Doppler effect before Doppler.

*German astronomer*

**Canonical URL:** https://fame.am/person/friedrich-von-hahn

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** Germany
- **Born:** 1742-07-27
- **Died:** 1805-10-09
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 39.3 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 8.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 50.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [弗里德里希·馮·哈恩](https://zh.wikipedia.org/wiki/%E5%BC%97%E9%87%8C%E5%BE%B7%E9%87%8C%E5%B8%8C%C2%B7%E9%A6%AE%C2%B7%E5%93%88%E6%81%A9)
- [فريدريك فون هان](https://ar.wikipedia.org/wiki/%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D9%83_%D9%81%D9%88%D9%86_%D9%87%D8%A7%D9%86)
- [فريدريش فون هان](https://arz.wikipedia.org/wiki/%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D8%B4_%D9%81%D9%88%D9%86_%D9%87%D8%A7%D9%86)
- [Friedrich von Hahn (Astronom)](https://de.wikipedia.org/wiki/Friedrich_von_Hahn_(Astronom))
- [Friedrich von Hahn](https://en.wikipedia.org/wiki/Friedrich_von_Hahn)
- [Friedrich von Hahn](https://es.wikipedia.org/wiki/Friedrich_von_Hahn)
- [Friedrich von Hahn](https://fi.wikipedia.org/wiki/Friedrich_von_Hahn)
- [Ган, Фридрих (астроном)](https://ru.wikipedia.org/wiki/%D0%93%D0%B0%D0%BD%2C_%D0%A4%D1%80%D0%B8%D0%B4%D1%80%D0%B8%D1%85_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC))
- [Friedrich von Hahn](https://sv.wikipedia.org/wiki/Friedrich_von_Hahn)
- [Wikidata](https://www.wikidata.org/wiki/Q118014)

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