Surendra Verma, "The Tunguska Fireball: Solving One of the Great Mysteries of the 20th Century"
2005 | ISBN-10: 1840466200, 1840467282 | 240 pages | PDF | 2 MB
2005 | ISBN-10: 1840466200, 1840467282 | 240 pages | PDF | 2 MB
On 30th June 1908 a mysterious fireball exploded in the Siberian sky and flattened 2000 square kilometres of the remote Tunguska forest. As no crater and no material from outer space were ever found, a meteorite could not have caused this explosion. so what did? This book discusses all theories and then analyses the evidence.