Can Dust Segregation Mimic a Cosmological Constant?

Can dusty Lyman break galaxies produce the submillimeter counts and background? Lessons from lensed Lyman break galaxies

Can Early Dark Energy be Detected in Non-Linear Structure?

Can Early Type Galaxies Evolve from Fading the Disks of Late Types?

Can eccentric binary millisecond pulsars form by accretion induced collapse of white dwarfs?

Can EGRET's Gamma Ray Sources > 100 MeV Be Seen with Single Secondary Cosmic Muons from Gammas > 30 GeV?

Can Ejecta-Dominated Supernova Remnants be Typed from their X-ray Spectra? The Case of G337.2-0.7

Can electro-magnetic field, anisotropic source and varying $Λ$ be sufficient to produce wormhole spacetime ?

Can electron distribution functions be derived through the Sunyaev-Zel'dovich effect?

Can elliptical galaxies be equilibrium systems

Can Enhanced Diffusion Improve Helioseismic Agreement for Solar Models with Revised Abundances?

Can Entropic Force Law Contravene the Equivalence Principle of General Relativity?

Can EROS/MACHO be detecting the galactic spheroid instead of the galactic halo?

Can Experiments Studying Ultrahigh Energy Cosmic Rays Measure the Evolution of the Sources?

Can exploding supermassive stars produce Li-7

Can extra dimensional effects replace dark matter ?

Can Extra Mixing in RGB and AGB Stars Be Attributed to Magnetic Mechanisms?

Can extragalactic foregrounds explain the large-angle CMB anomalies?

Can extreme black holes have (long) Abelian Higgs hair?

Can f(R) gravity mimic dark energy with constant equation of state parameter ?