# Gravity Recovery and Interior Laboratory

> American lunar science mission in NASA's Discovery Program

**Wikidata**: [Q116681](https://www.wikidata.org/wiki/Q116681)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/GRAIL)  
**Source**: https://4ort.xyz/entity/gravity-recovery-and-interior-laboratory


## References

1. [Source](https://news.lockheedmartin.com/2007-12-19-Lockheed-Martin-Spacecraft-to-be-Flown-for-NASAs-GRAIL-Lunar-Mission)
2. Jonathan's Space Report
3. Freebase Data Dumps. 2013
4. [Source](https://www.nasa.gov/mission_pages/grail/news/grailstatus20121217.html)
5. [Source](https://www.nasa.gov/pdf/582116main_GRAIL_launch_press_kit.pdf)
6. [Source](https://research.mit.edu/office-vpr/about-maria-zuber)