# Pierre Janssen

> Pierre Jules César Janssen, usually known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.

*French astronomer (1824-1907)*

**Canonical URL:** https://fame.am/person/pierre-janssen

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** France
- **Born:** 1824-02-22
- **Died:** 1907-12-23
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 52.3 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 22.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 65.0 / 100
- **Profile completeness:** 75.0 / 100

## Platforms
- **IMDB**: https://www.imdb.com/name/nm1715062/ (@nm1715062)

## Sources
- [Pierre Jules César Janssen](https://lb.wikipedia.org/wiki/Pierre_Jules_C%C3%A9sar_Janssen)
- [بيير جانسين](https://ar.wikipedia.org/wiki/%D8%A8%D9%8A%D9%8A%D8%B1_%D8%AC%D8%A7%D9%86%D8%B3%D9%8A%D9%86)
- [پيير جانسن](https://ary.wikipedia.org/wiki/%D9%BE%D9%8A%D9%8A%D8%B1_%D8%AC%D8%A7%D9%86%D8%B3%D9%86)
- [بيير جانسين (مصور من فرنسا)](https://arz.wikipedia.org/wiki/%D8%A8%D9%8A%D9%8A%D8%B1_%D8%AC%D8%A7%D9%86%D8%B3%D9%8A%D9%86_(%D9%85%D8%B5%D9%88%D8%B1_%D9%85%D9%86_%D9%81%D8%B1%D9%86%D8%B3%D8%A7))
- [ژول ژانسن](https://azb.wikipedia.org/wiki/%DA%98%D9%88%D9%84_%DA%98%D8%A7%D9%86%D8%B3%D9%86)
- [Жул Жансен](https://bg.wikipedia.org/wiki/%D0%96%D1%83%D0%BB_%D0%96%D0%B0%D0%BD%D1%81%D0%B5%D0%BD)
- [Pierre Janssen](https://ca.wikipedia.org/wiki/Pierre_Janssen)
- [Pierre Janssen](https://cs.wikipedia.org/wiki/Pierre_Janssen)
- [Jules Janssen](https://da.wikipedia.org/wiki/Jules_Janssen)
- [Jules Janssen](https://de.wikipedia.org/wiki/Jules_Janssen)
- [Πιερ Ζυλ Ζανσέν](https://el.wikipedia.org/wiki/%CE%A0%CE%B9%CE%B5%CF%81_%CE%96%CF%85%CE%BB_%CE%96%CE%B1%CE%BD%CF%83%CE%AD%CE%BD)
- [Pierre Janssen](https://en.wikipedia.org/wiki/Pierre_Janssen)
- [Pierre Janssen](https://es.wikipedia.org/wiki/Pierre_Janssen)
- [Jules Janssen](https://eu.wikipedia.org/wiki/Jules_Janssen)
- [ژول ژانسن](https://fa.wikipedia.org/wiki/%DA%98%D9%88%D9%84_%DA%98%D8%A7%D9%86%D8%B3%D9%86)
- [Jules Janssen](https://fi.wikipedia.org/wiki/Jules_Janssen)
- [Jules Janssen](https://fr.wikipedia.org/wiki/Jules_Janssen)
- [Jules Janssen](https://gd.wikipedia.org/wiki/Jules_Janssen)
- [פייר ז'נסן](https://he.wikipedia.org/wiki/%D7%A4%D7%99%D7%99%D7%A8_%D7%96'%D7%A0%D7%A1%D7%9F)
- [Pierre Jules César Janssen](https://id.wikipedia.org/wiki/Pierre_Jules_C%C3%A9sar_Janssen)
- [Jules Janssen](https://it.wikipedia.org/wiki/Jules_Janssen)
- [ピエール・ジャンサン](https://ja.wikipedia.org/wiki/%E3%83%94%E3%82%A8%E3%83%BC%E3%83%AB%E3%83%BB%E3%82%B8%E3%83%A3%E3%83%B3%E3%82%B5%E3%83%B3)
- [Pierre Jules César Janssen](https://jv.wikipedia.org/wiki/Pierre_Jules_C%C3%A9sar_Janssen)
- [პიერ ჟანსენი](https://ka.wikipedia.org/wiki/%E1%83%9E%E1%83%98%E1%83%94%E1%83%A0_%E1%83%9F%E1%83%90%E1%83%9C%E1%83%A1%E1%83%94%E1%83%9C%E1%83%98)
- [피에르 장센](https://ko.wikipedia.org/wiki/%ED%94%BC%EC%97%90%EB%A5%B4_%EC%9E%A5%EC%84%BC)
- [Wikidata](https://www.wikidata.org/wiki/Q298581)
- [Pierre Janssen](https://www.themoviedb.org/person/6152203)

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