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Ernesto Guido's Library tagged Impact   View Popular

01 Jul 09

Comet Implicated in Tunguska Blast

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.

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

astronomy comets tunguska impact

30 Apr 09

New Blow for Dinosaur-Killing Asteroid Theory

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.

www.nsf.gov/...news_summ.jsp - Preview

astronomy asteroids impact Chicxulub

28 Mar 09

Was the Tunguska Fireball a Comet Chemical Bomb?

Over a century ago, on June 30th, 1908 a huge explosion detonated over an unpopulated region of Russia called Tunguska.

www.universetoday.com/...fireball-a-comet-chemical-bomb - Preview

tunguska comets asteroids impact

27 Mar 09

Astronomy: The rock that fell to Earth

When an asteroid was spotted heading towards our planet last October, researchers rushed to document a cosmic impact from start to finish for the first time.

www.nature.com/...458401a.html - Preview

astronomy. 2008 TC3 asteroids impact

  • It's possible to download this article as PDF - comets77 on 2009-03-27
25 Mar 09

YouTube - A visit to the site of the Tunguska explosion

New Scientist features editor David Cohen narrates his journey to the site of the Tunguska explosion in Siberia.

www.youtube.com/watch - Preview

Tunguska impact asteroids

NASA - The Impact and Recovery of Asteroid 2008 TC3

The Impact and Recovery of Asteroid 2008 TC3.\nNASA detects and tracks asteroids and comets passing close to Earth. The Near-Earth Object Observation Program, commonly called "Spaceguard," discovers, characterizes and computes trajectories for these objects to determine if any could be potentially hazardous to our planet. \n\n

www.nasa.gov/tc3 - Preview

astronomy asteroids 2008 TC3 impact Near-Earth Objects

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