Results 101 to 110 of about 154 (145)

Probing active galactic nuclei with H2O megamasers. [PDF]

Proc Natl Acad Sci U S A, 1995
Moran J, Greenhill L, Herrnstein J, Diamond P, Miyoshi M, Nakai N, Inque M.   +6 more
europepmc   +1 more source

Core-collapse supernovae as cosmic ray sources. [PDF]

Mon Not R Astron Soc, 2018
Marcowith A, Dwarkadas VV, Renaud M, Tatischeff V, Giacinti G.   +4 more
europepmc   +1 more source

Quasars and active galactic nuclei: high resolution radio imaging. [PDF]

Proc Natl Acad Sci U S A, 1995
Cohen MH, Kellermann KI.
europepmc   +1 more source

The Pioneer Anomaly. [PDF]

Living Rev Relativ, 2010
Turyshev SG, Toth VT.
europepmc   +1 more source

The Confrontation between General Relativity and Experiment. [PDF]

Living Rev Relativ, 2014
Will CM.
europepmc   +1 more source

Molecular imaging with nanoparticles: the dwarf actors revisited 10 years later. [PDF]

Histochem Cell Biol, 2018
Thurner GC, Debbage P.
europepmc   +1 more source

Varying Constants, Gravitation and Cosmology. [PDF]

Living Rev Relativ, 2011
Uzan JP.
europepmc   +1 more source

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Interstellar hydroxyl and water masers and formaldehyde masers and dasars

Reports on Progress in Physics, 1974
A review of the observational data on anomalous emission by OH, H2O and H2CO molecules and on anomalous absorption by H2CO molecules. Various theories advanced to account for these data and some models of a few particular sources are discussed.
D ter Haar, M A Pelling
exaly   +2 more sources

Interstellar and Interplanetary Communication by Optical Masers

Nature, 1961
IN Nature of April 15, 1961, p. 205, reference is made to seven stars of nearly the same luminosity and spectral characteristic as our Sun within 10 light years. Apparently this erroneous statement is derived from an earlier general statement in Nature, September 19, 1959, p. 844, except that 15 light years was changed to 10 light years.
CHARLES H. TOWNES, ROBERT N. SCHWARTZ
exaly   +3 more sources

On radiative pumping of interstellar methanol masers

Chinese Astronomy and Astrophysics, 1997
Abstract From the observed data of 17 Class-II methanol masers and their asociated HII regions and infrared sources and using the maser photon emission rate and the brightness temperature as two constraints on the pump, we conclude that infrared sources with a brightness temperature of about 100 K and a photon rate of about 10 53 s −1 , associated ...
Xing-wu Zheng, Zhao-fen Ling
exaly   +2 more sources