Seminar 02 -- Star Wars - a podcast by John C. Adler, Ph.D., as told to Bill DeSmedt

Was it a comet, or a meteorite ... or something else entirely? A hundred years' worth of Tunguska speculation, and Tunguska controversy, at a glance.

Further episodes of Doctor Jack’s Soapbox Seminars

Further podcasts by John C. Adler, Ph.D., as told to Bill DeSmedt

Website of John C. Adler, Ph.D., as told to Bill DeSmedt