Mohamed Usama IsmailGONE WITH THE COMETS?A growing evidence indicates that comets may have played decision roles at major turning points throughout Earth history.Feb 27, 2019Feb 27, 2019
Mohamed Usama IsmailComet Halley Tail TaleIn 1910, Halley’s Comet had once more kept its rendezvous with the Sun. For the previous thirty-eight years, one-half of its orbital…Feb 16, 2019Feb 16, 2019