Results 121 to 130 of about 166 (155)

A decade of sub-arcsecond imaging with the International LOFAR Telescope. [PDF]

Astrophys Space Sci
Morabito LK, Jackson N, de Jong J, Escott E, Groeneveld C, Mahatma V, Petley J, Sweijen F, Timmerman R, van Weeren RJ.   +9 more
europepmc   +1 more source

Active galactic nuclei. [PDF]

Proc Natl Acad Sci U S A, 1999
Fabian AC.
europepmc   +1 more source

Foundations of Black Hole Accretion Disk Theory. [PDF]

Living Rev Relativ, 2013
Abramowicz MA, Fragile PC.
europepmc   +1 more source

Coronal dimmings and what they tell us about solar and stellar coronal mass ejections. [PDF]

Living Rev Sol Phys
Veronig AM, Dissauer K, Kliem B, Downs C, Hudson HS, Jin M, Osten R, Podladchikova T, Prasad A, Qiu J, Thompson B, Tian H, Vourlidas A.   +12 more
europepmc   +1 more source

Scaling the universe: gravitational lenses and the Hubble constant. [PDF]

Proc Natl Acad Sci U S A, 1999
Myers ST.
europepmc   +1 more source

The radio structure of radio loud and radio quiet quasars in the Palomar Bright Quasar Survey

The Astronomical Journal, 1994
K. I. Kellermann, R. A. Sramek, M. Schmidt, R. F. Green, D. B. Shaffer   +4 more
openaire   +1 more source

Gravitational Lensing in Astronomy. [PDF]

Living Rev Relativ, 1998
Wambsganss J.
europepmc   +1 more source

Optical evidence for the unification of active galactic nuclei and quasi-stellar objects. [PDF]

Proc Natl Acad Sci U S A, 1995
Miller JS.
europepmc   +1 more source

The case for unification. [PDF]

Proc Natl Acad Sci U S A, 1995
Gopal-Krishna.
europepmc   +1 more source

Observational validation of the chronometric cosmology: I. Preliminaries and the redshift-magnitude relation. [PDF]

Proc Natl Acad Sci U S A, 1975
Segal IE.
europepmc   +1 more source