47 Tucanae – the second most luminous globular cluster in the Milky Way, after Omega Centauri Core-collapse is thought to occur when the more massive stars in a globular cluster encounter their less massive companions. Source: Internet
According to modern theories of binary evolution it is expected that neutron stars also exist in binary systems with black hole companions. Source: Internet
According to hadith and Muslim history, after Muhammad immigrated to Medina and formed an independent Muslim community, he ordered many of his companions to recite the Quran and to learn and teach the laws, which were revealed daily. Source: Internet
According to witnesses, the boy had been in the water along with four companions on the shores of Lake Victoria when the incident happened. Source: Internet
A desperate retreat followed, during which Pete Schoening saved almost the entire team during a mass fall, and Gilkey was killed, either in an avalanche or in a deliberate attempt to avoid burdening his companions. Source: Internet
Alma and his companions had some success among the poor class of Zoramites who were then exiled from the Zoramite community by the governing rich class of Zoramites. Source: Internet