has subject area 0201 Astronomical and Space Sciences (FoR) 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics (FoR) 0306 Physical Chemistry (incl. Structural) (FoR) Astronomy & Astrophysics (Science Metrix)
keywords Astronomy & Astrophysics COSMOLOGY GALAXIES-INTERGALACTIC MEDIUM Physical Sciences QUASARS Science & Technology