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  2. en.wikipedia.org › wiki › Impact_eventImpact event - Wikipedia

    An impact event is a collision between astronomical objects causing measurable effects. Impact events have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effect.

  3. www.britannica.com › topic › impact-eventImpact event | Definition, Examples, & Facts | Britannica

    An impact event is a collision of astronomical objects, such as asteroids, comets, or meteoroids, with planets or moons. Learn about the history, effects, and types of impact events, from the Vredefort Dome to the Chicxulub crater, and how they are studied by NASA.

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  4. www.nasa.gov › solar-system › tunguska-revisited-111Tunguska Revisited: 111-Year-Old Mystery Impact ... - NASA

    Jun 26, 2019 · Learn how NASA scientists used modern computer modeling and data from the 1908 Tunguska and 2013 Chelyabinsk events to reexamine the frequency and effects of mid-size asteroid impacts on Earth. Find out how the new results challenge previous estimates and improve our understanding of the asteroid population and defense.

  5. cneos.jpl.nasa.gov › sentrySentry: Earth Impact Monitoring - NASA

    The following table summarizes by object the potential future Earth impact events that the JPL Sentry System has detected based on currently available observations. Click on the object designation to go to a page with full details on that object.

  6. www.nasa.gov › history › 115-years-ago-the-tunguska115 Years Ago: The Tunguska Asteroid Impact Event - NASA

    Jul 5, 2023 · Learn how an asteroid exploded in the atmosphere over Siberia, causing massive destruction and shock waves, and how scientists studied the evidence of this rare phenomenon. Find out how NASA monitors and defends Earth from potential asteroid threats.

  7. www.lpi.usra.edu › science › kringChicxulub Impact Event - Lunar and Planetary Institute (LPI)

    The Chicxulub Impact event produced a shock wave and air blast that radiated across the seas, over coastlines, and deep into the continental interior. Winds far in excess of 1000 kilometers per hour were possible near the impact site, although they decreased with distance from the impact site.

  8. www.nytimes.com › 2021/09/13 › scienceThe Rock That Ended the Dinosaurs Was Much More Than a Dino ...

    Sep 13, 2021 · The Chicxulub impact and the fate of the dinosaurs are frequently invoked as the ultimate argument both for investing in planetary defense research, and for expanding our species beyond Earth.