What is the truth behind Tunguska explosion?
Even today, scientists are still at loggerheads as regards to the nature of the extraterrestrial object which shook the world after exploding in the skies of pre-Revolutionary Russia. The momentous event happened at 7.15 a.m. local time on the last day of June 1908. At that precise moment, an object brighter than the morning sun ripped through the atmosphere over Siberia. A trainload of passengers on the trans-Siberian railway stared in horror at the towering pillar of flame roared through the clear blue skies at a phenomenal velocity of around one mile per second. The sonic boom given off by the sky invader shook the railway track, convincing the engine driver that one of his coaches had been derailed. The driver jammed on the brakes and as the train screeched to a grating halt, the mysterious fiery object thundered north. The trembling train passengers listened in relief as the overhead danger became fainter, and many of them looked out the windows of the carriages and eyed the vapor
