Can the age discrepancies of neutron stars be circumvented by an accretion-assisted torque?
Can the anomalous X-ray pulsars be powered by accretion?
Can the Arrow of Time be understood from Quantum Cosmology?
Can the Brans-Dicke Gravity with $Λ$ Possibly be a Theory of Dark Matter?
Can the Bump be Observed in the Early Afterglow of GRBS with X-Ray Line Emission Features?
Can the bump in the composite spectrum of GRB 910503 be an emission line feature of gamma-ray bursts?
Can the Chaplygin gas be a plausible model for dark energy?
Can the chirality of the ISM be measured
Can the conformal factor of the gravitational field be a physical degree of freedom?
Can the Copernican principle be tested by cosmic neutrino background?
Can the cosmic-ray driven dynamo model explain the observations of the polarized emission of edge-on galaxies ?
Can the cosmological constant be mimicked by smooth large-scale inhomogeneities for more than one observable?
Can the cosmological constant undergo abrupt changes?
Can the dark energy equation-of-state parameter w be less than -1?
Can the Dark Matter be $10^6$ Solar Mass Objects?
Can the Decoherent Histories Description of Reality be Considered Satisfactory?
Can the early X-ray afterglow of GRBs be explained by a contribution from the reverse shock?
Can the effective gravitational constant become negative
Can the Einstein-de Sitter model adequately describe the universe at any epoch
Can the entanglement entropy be the origin of black-hole entropy ?