Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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NearEarthAsteroidProgram

NASA’s NEO Program released a new map that shows small asteroid activity from 1994 to 2013, with most asteroids resulting only in a fireball as they enter and disintegrate in Earth’s atmosphere.

NASA’s Near Earth Object (NEO) Program recently released a map that shows the frequency, size and location of small asteroids that enter and disintegrate in Earth’s atmosphere. The data indicate that Earth’s atmosphere was impacted by small asteroids on 556 separate occasions in a 20-year period.

These events are marked by a fireball (or bollide) and are usually harmless. The Chelyabinsk event that occurred in Russia recently is a notable exception and was the largest asteroid to hit Earth in this period.

The new data will help scientists refine their estimates and allow them to estimate larger asteroids that could impact Earth. NASA is aggressively detecting, tracking and classifying NEOs with global partners to protect against hazardous asteroids.

For more information about the map and data, visit http://neo.jpl.nasa.gov.

 

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  • Nov 18, 2014
  • Comments Off on New Map Shows Frequency and Distribution of Small Asteroid Impacts on Earth
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NearEarthAsteroidProgram

NASA’s NEO Program released a new map that shows small asteroid activity from 1994 to 2013, with most asteroids resulting only in a fireball as they enter and disintegrate in Earth’s atmosphere.

NASA’s Near Earth Object (NEO) Program recently released a map that shows the frequency, size and location of small asteroids that enter and disintegrate in Earth’s atmosphere. The data indicate that Earth’s atmosphere was impacted by small asteroids on 556 separate occasions in a 20-year period.

These events are marked by a fireball (or bollide) and are usually harmless. The Chelyabinsk event that occurred in Russia recently is a notable exception and was the largest asteroid to hit Earth in this period.

The new data will help scientists refine their estimates and allow them to estimate larger asteroids that could impact Earth. NASA is aggressively detecting, tracking and classifying NEOs with global partners to protect against hazardous asteroids.

For more information about the map and data, visit http://neo.jpl.nasa.gov.

 

Comments are closed.