# Fine Guidance Sensor

> one of three identical instruments on the Hubble Space Telescope used for pointing in space

**Wikidata**: [Q30600611](https://www.wikidata.org/wiki/Q30600611)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fine_Guidance_Sensor_(HST))  
**Source**: https://4ort.xyz/entity/fine-guidance-sensor-q30600611


## References

1. [Source](https://asd.gsfc.nasa.gov/archive/hubble/a_pdf/news/SM2-MediaGuide.pdf)
2. [Source](https://www.stsci.edu/hst/instrumentation/fgs/history)