Results 171 to 180 of about 125,183 (220)

Maximum Entropy (Most Likely) Double Helical and Double Logarithmic Spiral Trajectories in Space-Time. [PDF]

Sci Rep, 2019
Parker MC, Jeynes C.
europepmc   +1 more source

Supermassive black-hole growth over cosmic time: active galaxy demography, physics, and ecology from Chandra surveys. [PDF]

Proc Natl Acad Sci U S A, 2010
Brandt WN, Alexander DM.
europepmc   +1 more source

Relativistic dynamics and extreme mass ratio inspirals. [PDF]

Living Rev Relativ, 2018
Amaro-Seoane P.
europepmc   +1 more source

Active galactic nuclei. [PDF]

Proc Natl Acad Sci U S A, 1999
Fabian AC.
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Optical evidence for the unification of active galactic nuclei and quasi-stellar objects. [PDF]

Proc Natl Acad Sci U S A, 1995
Miller JS.
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Revelations in our own backyard: Chandra's unique Galactic Center discoveries. [PDF]

Proc Natl Acad Sci U S A, 2010
Markoff S.
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X-Rays from the Location of the Double-humped Transient ASASSN-15lh. [PDF]

Astrophys J, 2017
Margutti R, Metzger BD, Chornock R, Milisavljevic D, Berger E, Blanchard PK, Guidorzi C, Migliori G, Kamble A, Lunnan R, Nicholl M, Coppejans DL, Dall'Osso S, Drout MR, Perna R, Sbarufatti B.   +15 more
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Structure of photodissociation fronts in star-forming regions revealed by observations of high-J CO emission lines with Herschel. [PDF]

Astron Astrophys, 2018
Joblin C, Bron E, Pinto C, Pilleri P, Le Petit F, Gerin M, Le Bourlot J, Fuente A, Berne O, Goicoechea JR, Habart E, Köhler M, Teyssier D, Nagy Z, Montillaud J, Vastel C, Cernicharo J, Röllig M, Ossenkopf-Okada V, Bergin EA.   +19 more
europepmc   +1 more source

Astrophysical symmetries. [PDF]

Proc Natl Acad Sci U S A, 1996
Trimble V.
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The case for unification. [PDF]

Proc Natl Acad Sci U S A, 1995
Gopal-Krishna.
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