Results 231 to 240 of about 261,296 (275)
The nuclear region of the spiral galaxy M81. [PDF]
Proc Natl Acad Sci U S A, 1995 Bartel N, Bietenholz MF, Rupen MP.
europepmc +1 more source
Above the Noise: The Search for Periodicities in the Inner Heliosphere. [PDF]
Sol Phys, 2017 Threlfall J, De Moortel I, Conlon T.
europepmc +1 more source
Dust evolution, a global view: III. Core/mantle grains, organic nano-globules, comets and surface chemistry. [PDF]
R Soc Open Sci, 2016 Jones AP.
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The nature of X-ray spectral variability in Seyfert galaxies
, 2003 R. D. Taylor +4 more
openalex +1 more source
Outstanding problems and instrumental prospects for the coming decade (A Review). [PDF]
Proc Natl Acad Sci U S A, 1977 Ostriker JP.
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A binary merger product as the direct progenitor of a Type II-P supernova
Niu* Z +17 more
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Probing active galactic nuclei with H2O megamasers. [PDF]
Proc Natl Acad Sci U S A, 1995 Moran J +6 more
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Directly observed relations in complete galaxy samples and the predictions of redshift-distance power laws. [PDF]
Proc Natl Acad Sci U S A, 1986 Segal IE.
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ASCA Observations of Type 2 Seyfert Galaxies. I. Data Analysis Results
, 1997 T. Turner +3 more
semanticscholar +1 more source