Results 171 to 180 of about 74,488 (217)
Observation of an ultra-high-energy cosmic neutrino with KM3NeT. [PDF]
NatureKM3NeT Collaboration.
europepmc +1 more source
Accreting White Dwarfs: An Unreview. [PDF]
Space Sci RevScaringi S, Knigge C, de Martino D.
europepmc +1 more source
X-ray astronomy from the lunar surface. [PDF]
Philos Trans A Math Phys Eng SciGandhi P.
europepmc +1 more source
Toward "Safe" Chemicals and Materials on Mars: Knowledge Gaps for Expanding Planetary Protection Requirements. [PDF]
Environ Sci TechnolHader JD +4 more
europepmc +1 more source
Some of the next articles are maybe not open access.
Related searches:
Related searches:
2008
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas.
+6 more sources
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas.
+6 more sources
2021
Almost all galaxies host in their center a supermassive black hole of mass between a million and tens of billions solar masses. Supermassive black holes grow in symbiosis with their host galaxies across the Hubble time, occasionally accreting surround matter, giving rise to an Active Galactic Nuclei (AGN).
openaire +2 more sources
Almost all galaxies host in their center a supermassive black hole of mass between a million and tens of billions solar masses. Supermassive black holes grow in symbiosis with their host galaxies across the Hubble time, occasionally accreting surround matter, giving rise to an Active Galactic Nuclei (AGN).
openaire +2 more sources
Reports on Progress in Physics, 1989
Recent observational and theoretical investigations of AGN are reviewed. The basic AGN characteristics (broad emission lines of abundant ions, X-ray emission, and a sharp starlike appearance) are summarized, and particular attention is given to the spectral classification of Seyfert galaxies, the AGN velocity fields and their measurement, low ...
openaire +2 more sources
Recent observational and theoretical investigations of AGN are reviewed. The basic AGN characteristics (broad emission lines of abundant ions, X-ray emission, and a sharp starlike appearance) are summarized, and particular attention is given to the spectral classification of Seyfert galaxies, the AGN velocity fields and their measurement, low ...
openaire +2 more sources