# Biosphere 2

> artificial closed ecological system

**Wikidata**: [Q68139](https://www.wikidata.org/wiki/Q68139)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Biosphere_2)  
**Source**: https://4ort.xyz/entity/biosphere-2


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. [Source](http://www.nytimes.com/1991/09/27/us/8-sealed-in-a-world-beneath-glass-for-2-years.html)
3. [Source](http://mentalfloss.com/article/81553/how-living-inside-biosphere-2-changed-these-scientists-lives)
4. [Source](https://motherboard.vice.com/en_us/article/mbjz43/setting-the-record-straight-about-the-biosphere-2)
5. [Source](http://articles.latimes.com/1993-09-27/news/mn-39653_1_biosphere-ii)
6. Freebase Data Dumps. 2013
7. Google Knowledge Graph
8. Quora
9. National Library of Israel Names and Subjects Authority File