# gravitational wave

> propagating spacetime ripple

**Wikidata**: [Q190035](https://www.wikidata.org/wiki/Q190035)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gravitational_wave)  
**Source**: https://4ort.xyz/entity/gravitational-wave


## References

1. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=5360)
2. [Source](https://lingualibre.org/wiki/Q787997)
3. Nuovo soggettario
4. [The basic physics of the binary black hole merger GW150914. Annalen der Physik. 2017](http://onlinelibrary.wiley.com/doi/10.1002/andp.201600209/full)
5. [Albert Einstein: Die Gravitationswellen sind nachgewiesen. Die Zeit. 2016](http://www.zeit.de/wissen/2016-02/albert-einstein-gravitationswellen-physik-relativitaetstheorie-beweis-astronomie)
6. Freebase Data Dumps. 2013
7. BBC Things
8. YSO-Wikidata mapping project
9. BabelNet
10. Quora
11. [Source](https://www.zhihu.com/search?q=%E5%BC%95%E5%8A%9B%E6%B3%A2%E5%A4%A9%E7%BA%BF&type=topic)
12. [Source](https://golden.com/wiki/Gravitational_wave-58G554)
13. National Library of Israel
14. KBpedia
15. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)