Results 1 to 10 of about 13,539 (50)
On the Alleged Rotation of the Spiral Nebula Messier 51 Canum Venaticorum [PDF]
H. H. Turner
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Note on the photographic spectrum of the great nebula in Orion [PDF]
William Huggins, Huggins
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Electron Densities in the Filaments of the Crab Nebula [PDF]
Donald E. Osterbrock
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On the character of the chief line of the Nebula in Orion [PDF]
K. D. Naegamvala
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Observations of Hind's Variable Nebula in Taurus (N.G.C. 1555), made with the 40 inch Refractor of the Yerkes Observatory [PDF]
E. E. Barnard
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The radio emission from the galaxy and the andromeda nebula [PDF]
J. E. Baldwin
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