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2. List of impact structures on Earth - Wikipedia

   en.wikipedia.org/wiki/List_of_impact_structures...

   These features were caused by the collision of meteors (consisting of large fragments of asteroids) or comets (consisting of ice, dust particles and rocky fragments) with the Earth. For eroded or buried craters, the stated diameter typically refers to the best available estimate of the original rim diameter, and may not correspond to present ...

3. List of impact structures in North America - Wikipedia

   en.wikipedia.org/wiki/List_of_impact_structures...

   This list includes all 60 confirmed impact structures in North America in the Earth Impact Database (EID). These features were caused by the collision of large meteorites or comets with the Earth. For eroded or buried craters, the stated diameter typically refers to an estimate of original rim diameter, and may not correspond to present surface ...

4. Asteroid impact avoidance - Wikipedia

   en.wikipedia.org/wiki/Asteroid_impact_avoidance

   NASA estimated a near miss by 26,000 kilometers (16,000 mi). [144] In January 2012, after a near pass-by of object 2012 BX34, a paper entitled "A Global Approach to Near-Earth Object Impact Threat Mitigation" was released by researchers from Russia, Germany, the United States, France, Britain, and Spain, which discusses the "NEOShield" project ...

5. List of impact structures in Europe - Wikipedia

   en.wikipedia.org/wiki/List_of_impact_structures...

   The following structures are officially considered "unconfirmed" because they are not listed in the Earth Impact Database. Due to stringent requirements regarding evidence and peer-reviewed publication, newly discovered craters or those for which it is difficult to collect evidence are generally known for some time before becoming listed.

6. Impact event - Wikipedia

   en.wikipedia.org/wiki/Impact_event

   In 2000, Discover magazine published a list of 20 possible sudden doomsday scenarios with an impact event listed as the most likely to occur. [49] A joint Pew Research Center/Smithsonian survey from April 21 to 26, 2010 found that 31 percent of Americans believed that an asteroid will collide with Earth by 2050. A majority (61 percent ...

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