By what name is the explosion that occurred in Siberia on 30th June 1908, possibly caused by a comet or asteroid, generally known ?
Impact event in diameter and deep, is thought to have been formed less than 3,500 years ago in a then-unpopulated region of western Egypt. It was found February 19, 2009 by V. de Michelle on a Google Earth image of the East Uweinat Desert, Egypt. One of the best-known recorded impacts in modern times was the Tunguska event, which occurred in Siberia, Russia, in 1908. This incident involved an explosion that was probably caused by the airburst of an asteroid or comet above the Earth's surface, felling an estimated 80 million trees over . In February 1947, another large bolide impacted the
Comet Rendezvous Asteroid Flyby Comet Rendezvous Asteroid Flyby The Comet Rendezvous Asteroid Flyby (CRAF) was a cancelled plan for a NASA led exploratory mission designed by the Jet Propulsion Laboratory during the mid-to-late 1980s and early 1990s, that planned to send a spacecraft to encounter an asteroid, and then to rendezvous with a comet and fly alongside it for nearly three years. The project was eventually canceled when it went over budget; most of the money still left was redirected to its twin spacecraft, Cassini–Huygens, destined for Saturn, so it could survive Congressional budget cutbacks. Most of CRAF's scientific objectives were later accomplished by