A critical analysis of the UV Luminosity Function at redshift~7 from deep WFC3 data
A critical analysis of the UV-continuum slopes of high-redshift galaxies; no evidence (yet) for extreme stellar populations at z > 6
A critical look at cosmological perturbation theory techniques
A Cross-Correlation Analysis of Mg II Absorption Line Systems and Luminous Red Galaxies from the SDSS DR5
A cross-correlation study of the Fermi-LAT $γ$-ray diffuse extragalactic signal
A Crucial Dipole Test of the Expansion Center Universe
A dark energy model alternative to generalized Chaplygin gas
A dark energy view of inflation
A dark radiation era prior to the inflationary phase
A data-driven model for spectra: Finding double redshifts in the Sloan Digital Sky Survey
A Decade of Dark Energy: 1998 - 2008
A decrease of the gas exchanges between galaxies and the IGM, from 12 to 6 billion years ago
A Deep 1.2 mm Map of the Lockman Hole North Field
A Deep Chandra ACIS Study of NGC 4151. I. the X-ray Morphology of the 3 kpc-diameter Circum-nuclear Region and Relation to the Cold Interstellar Medium
A Deep Chandra ACIS Study of NGC 4151. II. The Innermost Emission Line Region and Strong Evidence for Radio Jet-NLR Cloud Collision
A Deep Chandra ACIS Study of NGC 4151. III. the Line Emission and Spectral Analysis of the Ionization Cone
A deep Chandra observation of the poor cluster AWM 4 - I. Properties of the central radio galaxy and its effects on the intracluster medium
A deep Chandra observation of the poor cluster AWM4 - II. The role of the radio jets in enriching the intra-cluster medium
A Deep Chandra Observation of the X-shaped Radio Galaxy 4C +00.58: A Candidate for Merger-induced Reorientation?
A Deep HST H-Band Imaging Survey of Massive Gas-Rich Mergers. II. The QUEST PG QSOs