Are black holes big enough to quench cooling in cluster cool cores?

Are Brightest Halo Galaxies Central Galaxies?

Are cold flows detectable with metal absorption lines?

Are Dry Mergers Dry, Moist, or Wet?

Are Dwarf Galaxies Dominated by Dark Matter?

Are Galaxy Clusters Suggesting an Accelerating Universe Independent of SNe Ia and Gravity Metric Theory?

Are Galaxy Clusters Suggesting an Accelerating Universe?

Are Halo and Galaxy Formation Histories Correlated?

Are luminous radio-loud active galactic nuclei triggered by galaxy interactions?

Are Newly Discovered HI High Velocity Clouds Minihalos in the Local Group?

Are nuclear star clusters the precursors of massive black holes?

Are priors responsible for cosmology favoring additional neutrino species?

Are Radio AGN Powered by Accretion or Black Hole Spin?

Are ring galaxies the ancestors of giant low surface brightness galaxies?

Are small-scale sub-structures a universal property of galaxy halos? The case of the giant elliptical NGC~5128

Are SMBHs shrouded by "super-Oort" clouds of comets and asteroids?

Are Swift Long-Lag Gamma-Ray Bursts in the Local Supercluster?

Are symmetric tidal streams possible with long-range dark-matter forces?

Are the 2dFGRS superstructures a problem for hierarchical models?

Are the Variations in Quasar Optical Flux Driven by Thermal Fluctuations?