Was GRB 990123 a unique optical flash?
Was GRB~980329 at z ~ 5?
Was one sunspot cycle in the 18th century really lost?
Was one sunspot cycle lost in late XVIII century?
Was reionization complete by z ~ 5-6?
Was SN1997ff at z~1.7 magnified by gravitational lensing?
Was Star-Formation Suppressed in High-Redshift Minihalos?
Was the "naked burst" GRB 050421 really naked ?
Was the Andromeda Stream Produced by a Disk Galaxy?
Was the Carte du Ciel an Obstruction to the Development of Astrophysics in Europe?
Was the Cosmic Web of Protogalactic Material Permeated by Lobes of Radio Galaxies During the Quasar Era?
Was The Electromagnetic Spectrum A Blackbody Spectrum In The Early Universe?
Was the flare on 5 July 1989 a white light flare?
Was the Highest Energy Cosmic Ray a Photon?
Was the Mangala Valles system incised by volcanic flows?
Was the Narrow Line Seyfert 1 RGB J0044+193 ever radio loud?
Was the Planck ERA of the universe a 'cold' or a 'hot' stage of the Big Bang?
Was the Progenitor of the Sagittarius Stream a Disc Galaxy?
Was the propeller mechanism active during the periastron passage of PSR 1259--63?
Was The Sun Born In A Massive Cluster?