Can we Improve the Preprocessing of Photospheric Vectormagnetograms by the Inclusion of Chromospheric Observations?

Can we improve upon astronomical silicate?

Can we look inside a dynamo?

Can we measure the accretion efficiency of Active Galactic Nuclei?

Can we measure the neutrino mass hierarchy in the sky?

Can we measure the rotation rate inside stars ?

Can We Observe Galaxies that Recede Faster than Light ? -- A More Clear-Cut Answer

Can we obtain Conserved Currents in Supersymmetric Quantum Cosmology?

Can we predict the fate of the Universe?

Can We Probe the Atmospheric Composition of an Extrasolar Planet from its Reflection Spectrum in a High-Magnification Microlensing Event?

Can we probe the Lorentz factor of gamma-ray bursts from GeV-TeV spectra integrated over internal shocks?

Can we probe the Lorentz factor of gamma-ray bursts from GeV-TeV spectra integrated over internal shocks?

Can we really rule out the existence of antistars?

Can we see a rotating gravitational lens?

Can we see gravitational collapse in (quantum) gravity perturbation theory?

Can We See Lorentz-Violating Vector Fields in the CMB?

Can we see quantum gravity? Photons in the asymptotic-safety scenario

Can We See the Shape of the Universe?

Can we test Dark Energy with Running Fundamental Constants ?

Can we trust elemental abundances derived in late-type giants with the classical 1D stellar atmosphere models?