Results 221 to 230 of about 122,679 (291)

Stephen Hawking's Warning on Contacting Aliens: A Physics Perspective on the Intelligence Trap. [PDF]

open access: yesJ Biomed Phys Eng
Mortazavi SMJ   +4 more
europepmc   +1 more source

Warm absorbers in active galactic nuclei [PDF]

open access: bronze, 1995
C. S. Reynolds, A. C. Fabian
openalex   +1 more source

Detecting Accretion Disks in Active Galactic Nuclei [PDF]

open access: bronze, 1997
C. Fanton   +3 more
openalex   +1 more source

High-energy particle observations from the Moon. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci
Dandouras I, Roussos E.
europepmc   +1 more source

A Search for Very High Energy Neutrinos from Active Galactic Nuclei

open access: green, 1997
J. W. Bolesta   +29 more
openalex   +2 more sources

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