Can Light Echoes Account for Type IIn Supernovae?

Can Magnetic Transients be Explained by Line Emission?

Can magnetic transients be explained by line emission?

Can Magnetic Tube Waves Account for X-ray Emissions Observed from Late-Type Dwarfs

Can Mildly Superluminal VLBI Jets and Ultrarelativistic Blazar Jets be Reconciled?

Can Mimas Still Be Porous?

Can minor meteor showers be linked to near-Earth asteroids?

Can Mirage Phenomena Explain Some of the Strange Stellar Observations Made in Olden Days up Chimneys

Can neutron stars be formed with mass ≤ 0.2 M sun?

Can neutron stars shed light on dark matter ?

Can nucleosynthesis determine the mass limit for stellar black hole formation?

Can observations of earthquake scaling constrain slip weakening?

Can Observations Tell Us Anything About Motion in Bars?

Can optical absorption lines be observed in the spectra of x-ray novae?

Can Organic Life Exist in the Planetary System Outside of the Earth?

Can Organic Life Exist in the Solar System Anywhere But on the Planet Mars? Communicated by Mr. CAMILLE FLAMMARION

Can Partial Redistribution Explain the Ca II H-K Wing Emission Lines?

Can Particle Nonsphericity Explain Radar Polarization Ratios Observed for Saturn's Rings?

Can Penetrators Provide Useful Information for Planetary Exploration?

Can Photometric Lightcurves Detect Any Possible Asteroid Satellites?