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symlhau 2 |
Yn gosod File:Black_hole_-_Messier_87_crop_max_res.jpg yn lle Black_hole_-_Messier_87_(cropped).jpg (gan CommonsDelinker achos: Duplicate: Exact or scaled-down duplicate: [[:c::File:Black hole - Me |
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Llinell 1:
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[[File:Black hole - Messier 87
{{cite journal |author=Oldham, L. J. |author2=Auger, M. W. |title= Galaxy structure from multiple tracers - II. M87 from parsec to megaparsec scales |date=March 2016|journal=Monthly Notices of the Royal Astronomical Society |volume=457 |issue=1 |pages= 421–439|doi=10.1093/mnras/stv2982|arxiv=1601.01323 |bibcode=2016MNRAS.457..421O }}
</ref> Hwn oedd y twll du cynta i'w ddelweddu yn uniongyrchol gan Delesgôp Event Horizon (ryddhawyd y llun ar 10 Ebrill 2019).<ref name="NYT-20190410">{{cite news |last=Overbye |first=Dennis |authorlink=Dennis Overbye |title=Black Hole Picture Revealed for the First Time - Astronomers at last have captured an image of the darkest entities in the cosmos - Comments |url=http://www.nytimes.com/2019/04/10/science/black-hole-picture.html?comments#permid=31473598 |date=10 Ebrill 2019 |work=[[The New York Times]] |accessdate=10 Ebrill 2019 }}</ref><ref name="APJL-20190410">{{cite journal |author=[[Event Horizon Telescope|The Event Horizon Telescope Collaboration]] |title=First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole |url=https://iopscience.iop.org/article/10.3847/2041-8213/ab0ec7 |date=10 April 2019 |journal=[[The Astrophysical Journal Letters]] |volume=87 |number=1 |accessdate=10 Ebrill 2019 }}</ref>]]
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