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Ernesto Guido

YouTube - A visit to the site of the Tunguska explosion - 0 views

www.youtube.com/watch

Tunguska impact asteroids

shared by Ernesto Guido on 25 Mar 09 - Cached
  • Ernesto Guido on 25 Mar 09
     
    New Scientist features editor David Cohen narrates his journey to the site of the Tunguska explosion in Siberia.
Ernesto Guido

New Blow for Dinosaur-Killing Asteroid Theory - 0 views

www.nsf.gov/...news_summ.jsp

astronomy asteroids impact Chicxulub

shared by Ernesto Guido on 30 Apr 09 - Cached
  • Ernesto Guido on 30 Apr 09
     
    The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a paper to be published in the Journal of the Geological Society on April 27, 2009.
Ernesto Guido

Comet Implicated in Tunguska Blast - 0 views

www.centauri-dreams.org/?p=8397

astronomy comets tunguska impact

shared by Ernesto Guido on 01 Jul 09 - Cached
  • Ernesto Guido on 01 Jul 09
     
    Latest research has concluded that the Tunguska explosion was almost certainly caused by a comet entering the Earth's atmosphere. And how researcher Michael Kelly from Cornell University came to that conclusion is quite interesting: He analyzed the space shuttle's exhaust plume and noctilucent clouds.
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