Results 151 to 160 of about 1,919 (235)

Positioning, navigation, and timing on the Moon and Mars with galactic cosmic rays. [PDF]

iScience
Leone G, Tanaka HKM, Holma M, Krishnan S, Duffy AR, Enqvist T, Kuusiniemi P, Joutsenvaara J, Cerretto G, Cantoni E, Sellone M, Marteau J, Lo Presti D, Szűcs JG, Varga D.   +14 more
europepmc   +1 more source

Electron-ion recombination measurements of Fe⁷⁺, Fe⁸⁺, Fe¹³⁺motivated by active galactic nuclei x-ray absorption features [PDF]

, 2007
E. W. Schmidt, S. Schippers, C. Brandau, D. Bernhardt, A. Müller, M. Lestinsky, F. Sprenger, J Homann, D. A. Orlov, M. Grieser, R. Repnow, A. Wolf, Zarija Lukić, M. Schnell, D. W. Savin   +14 more
openalex   +1 more source

Quasi-periodic oscillations of GHz-band polarization in a black hole. [PDF]

Nat Commun
Wang W, Chen J, Tian P, Ho LC, Sun X, Wang P, Zhang B, Zheng Z, Chen X, Zhang P, Zhu H, Yang W, Li B.   +12 more
europepmc   +1 more source

High-energy X-ray spectra of Seyferts and Unification schemes for active galactic nuclei [PDF]

, 2007
Matthew Middleton, Chris Done, Nick Schurch   +2 more
openalex   +1 more source

X-ray astronomy from the lunar surface. [PDF]

Philos Trans A Math Phys Eng Sci
Gandhi P.
europepmc   +1 more source

A helium-burning white dwarf binary as a supersoft X-ray source. [PDF]

Nature, 2023
Greiner J, Maitra C, Haberl F, Willer R, Burgess JM, Langer N, Bodensteiner J, Buckley DAH, Monageng IM, Udalski A, Ritter H, Werner K, Maggi P, Jayaraman R, Vanderspek R.   +14 more
europepmc   +1 more source

X‐Ray Evolution of Active Galactic Nuclei and Hierarchical Galaxy Formation

, 2004
N. Menci, F. Fiore, G. C. Perola, A. Cavaliere   +3 more
openalex   +1 more source

Piecing together the X-ray background: bolometric corrections for active galactic nuclei [PDF]

, 2007
R. V. Vasudevan, A. C. Fabian
openalex   +1 more source

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

Philos Trans A Math Phys Eng Sci
Dandouras I, Roussos E.
europepmc   +1 more source

The Effects of Galactic Cosmic Rays on the Central Nervous System: From Negative to Unexpectedly Positive Effects That Astronauts May Encounter. [PDF]

Biology (Basel), 2023
Kokhan VS, Dobynde MI.
europepmc   +1 more source