கருந்துளை (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "கருந்துளை" in Tamil language version.

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archive.org

Karl Schwarzschild (1916). "Über das Gravitationsfeld eines Massenpunktes nach der Einsteinschen Theorie". Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften 7: 189–196. https://archive.org/stream/sitzungsberichte1916deutsch#page/188/mode/2up. and Karl Schwarzschild (1916). "Über das Gravitationsfeld einer Kugel aus inkompressibler Flüssigkeit nach der Einsteinschen Theorie". Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften 18: 424–434. https://archive.org/stream/sitzungsberichte1916deutsch#page/424/mode/2up.

bbc.com

"Katie Bouman: The woman behind the first black hole image". பிபிசி. பார்க்கப்பட்ட நாள் ஏப்ரல் 12, 2019. {{cite web}}: Check date values in: |accessdate= (help)

books.google.com

Kox, A. J. (1992). "General Relativity in the Netherlands: 1915–1920". in Eisenstaedt, J.; Kox, A. J.. Studies in the history of general relativity. Birkhäuser. பக். 41. பன்னாட்டுத் தரப்புத்தக எண்:978-0-8176-3479-7. https://books.google.com/books?id=vDHCF_3vIhUC&pg=PA41.
Arthur Eddington (1926). The Internal Constitution of the Stars. Cambridge University Press. பக். 6. https://books.google.com/books?id=RjC9DpnWFbkC&lpg=PP1&pg=PA6.
>Kip Thorne comments on this quote on pages 134-135 of his book Black Holes and Time Warps, writing that "The first conclusion was the Newtonian version of light not escaping; the second was a semi-accurate, relativistic description; and the third was typical Eddingtonian hyperbole ... when a star is as small as the critical circumference, the curvature is strong but not infinite, and space is definitely not wrapped around the star. Eddington may have known this, but his description made a good story, and it captured in a whimsical way the spirit of Schwarzschild's spacetime curvature."

doi.org

dx.doi.org

John Michell (1784). "On the Means of Discovering the Distance, Magnitude, &c. of the Fixed Stars, in Consequence of the Diminution of the Velocity of Their Light, in Case Such a Diminution Should be Found to Take Place in any of Them, and Such Other Data Should be Procured from Observations, as Would be Farther Necessary for That Purpose". Philosophical Transactions of the Royal Society 74 (0): 35–57. doi:10.1098/rstl.1784.0008. Bibcode: 1784RSPT...74...35M.

eso.org

"Ripped Apart by a Black Hole". ESO Press Release. http://www.eso.org/public/news/eso1332/. பார்த்த நாள்: 19 July 2013.

harvard.edu

adsabs.harvard.edu

John Michell (1784). "On the Means of Discovering the Distance, Magnitude, &c. of the Fixed Stars, in Consequence of the Diminution of the Velocity of Their Light, in Case Such a Diminution Should be Found to Take Place in any of Them, and Such Other Data Should be Procured from Observations, as Would be Farther Necessary for That Purpose". Philosophical Transactions of the Royal Society 74 (0): 35–57. doi:10.1098/rstl.1784.0008. Bibcode: 1784RSPT...74...35M.
Montgomery, Colin; Orchiston, Wayne; Whittingham, Ian (2009). "Michell, Laplace and the origin of the black hole concept". Journal of Astronomical History and Heritage 12: 90–96. 2009JAHH...12...90M. http://adsabs.harvard.edu/abs/2009JAHH...12...90Mar. பார்த்த நாள்: 2016-07-08.

hindutamil.in

நோபல் வாங்கித் தந்த கருந்துளை!

knaw.nl

dwc.knaw.nl

Droste, J. (1917). "On the field of a single centre in Einstein's theory of gravitation, and the motion of a particle in that field". Proceedings Royal Academy Amsterdam 19 (1): 197–215. http://www.dwc.knaw.nl/DL/publications/PU00012325.pdf.

maalaimalar.com

"உலகின் முதல் கருந்துளை புகைப்படம் வெளியானது". மாலை மலர். 11 ஏப்ரல் 2019. Archived from the original on 2019-04-11. பார்க்கப்பட்ட நாள் 11 ஏப்ரல் 2019. {{cite web}}: Check date values in: |accessdate= and |date= (help)

nobelprize.org

The Nobel Prize in Physics 2020

spacetimetravel.org

Kraus, Ute (2005-03-20). "Step by Step into a Black Hole".

thehindu.com

tamil.thehindu.com

"கருந்துளைகள் வெறும் கற்பித்த யூகம் இல்லை.. இரண்டு கருந்துளைகளை புகைப்படம் எடுத்துச் சாதனை". இந்து தமிழ் திசை. 11 ஏப்ரல் 2019. பார்க்கப்பட்ட நாள் 11 ஏப்ரல் 2019. {{cite web}}: Check date values in: |accessdate= and |date= (help)

uu.nl

phys.uu.nl

Gerard 't Hooft (2009). Introduction to the Theory of Black Holes. Institute for Theoretical Physics / Spinoza Institute. பக். 47–48. http://www.phys.uu.nl/~thooft/lectures/blackholes/BH_lecturenotes.pdf.

web.archive.org

"உலகின் முதல் கருந்துளை புகைப்படம் வெளியானது". மாலை மலர். 11 ஏப்ரல் 2019. Archived from the original on 2019-04-11. பார்க்கப்பட்ட நாள் 11 ஏப்ரல் 2019. {{cite web}}: Check date values in: |accessdate= and |date= (help)