Editing No-hair theorem (section)

==Observational results==
The results from the [[first observation of gravitational waves]] in 2015 provide some experimental evidence consistent with the uniqueness of the no-hair theorem.<ref name="BBC_11Feb16">{{cite news |title=Gravitational waves from black holes detected |url=https://www.bbc.co.uk/news/science-environment-35524440 |work=BBC News |date=11 February 2016}}</ref><ref>{{Cite journal |url=https://physics.aps.org/articles/v9/52 |title=Viewpoint: Relativity Gets Thorough Vetting from LIGO |journal=Physics |volume=9 |date=2016-05-31 |last1=Pretorius |first1=Frans |page=52 |doi=10.1103/physics.9.52 |doi-access=free}}</ref> This observation is consistent with Stephen Hawking's theoretical work on black holes in the 1970s.<ref>[https://www.facebook.com/stephenhawking/posts/965377523549345 Stephen Hawking].</ref><ref>[https://www.bbc.com/news/science-environment-35551144 Stephen Hawking celebrates gravitational wave discovery].</ref>