What causes the accelerated expansion of the Universe?
The expansion of the Universe is in an accelerated phase. This acceleration was first estabilished by observations of SuperNovae, and has since been confirmed...
What's Wrong with Physics Today - Why the standard models are an erosion of science
The concordance model of cosmology with its constituents dark matter and dark Energy is an established description of some anomalous observations. However, a...
Where feedback fails: clues from the dynamics of massive galaxies?
It is widely understood that galaxies use, throughout the Hubble time, only a small fraction of the baryons associated to their dark matter halos to form stars...
Which haloes host Herschel-ATLAS galaxies in the local Universe?
We measure the projected cross-correlation between low-redshift (z 0.5) far-infrared selected galaxies in the science demonstration phase (SDP) field of the...
Wide-field Precision Kinematics of the M87 Globular Cluster System
We present the most extensive combined photometric and spectroscopic study to date of the enormous globular cluster (GC) system around M87, the central giant...
X-ray analysis of Abell 2634 and its central galaxy 3C 465.
An analysis of a ROSAT/PSPC observation of the galaxy cluster A2634 is presented. The cluster has a luminosity of 7.9+/-0.1x10^43^erg/s in the ROSAT band (0.1-2...
YUN WANG: “La energía oscura determinará el destino final del Universo”
Yun Wang, cosmóloga, poeta e invitada de la escuela científica internacional Cosmology School in the Canary Islands, organizada por el Instituto de Astrofísica...