“Was the Tunguska explosion of 1908 caused by a comet hitting Earth? That’s the claim of a new study based on the behaviour of water vapour from the space shuttle’s exhaust. But other scientists dispute the claim, and say the evidence still points to a stony meteoroid as the culprit.” (June 25, 2009)
June 26, 2009
Space shuttle exhaust hints comet caused Tunguska blast
Posted by The Mary under Astronomy, Science, SpaceComments Off
