Blwyddyn golau: Gwahaniaeth rhwng fersiynau

|Mae [[canol galactig]] ein [[galaeth]], y [[Llwybr Llaethog]], tua 8 [[parsec|kiloparsec]] i ffwrdd.<ref>F. Eisenhauer, ''et al.'', "[http://www.journals.uchicago.edu/ApJ/journal/issues/ApJL/v597n2/17431/17431.web.pdf ''A Geometric Determination of the Distance to the Galactic Center'']{{Dolen marw|date=August 2021 |bot=InternetArchiveBot |fix-attempted=yes }}" (pdf, 93KB), ''Astrophysical Journal'' 597 (2003) L121-L124</ref><ref>McNamara, D. H., ''et al.'', "[http://www.journals.uchicago.edu/PASP/journal/issues/v112n768/200037/200037.web.pdf ''The Distance to the Galactic Center'']" (pdf, 298KB), ''The Publications of the Astronomical Society of the Pacific'', '''112''' (2000), pp. 202–216.</ref>