Asteroid Impact Avoidance - Deflection Efforts - Results

Results

Research published in the March 26, 2009 issue of the journal Nature, describes how scientists were able to identify an asteroid in space before it entered Earth’s atmosphere, enabling computers to determine its area of origin in the Solar System as well as predict the arrival time and location on Earth of its shattered surviving parts. The four-meter-diameter asteroid, called 2008 TC3, was initially sighted by the automated Catalina Sky Survey telescope, on October 6, 2008. Computations correctly predicted impact would occur 19 hours after discovery in the Nubian Desert of northern Sudan.

A number of potential threats have been identified, such as (99942) Apophis (previously known by its provisional designation 2004 MN4), which had been given an impact probability of ~3% for the year 2029. This probability has been revised to zero on the basis of new observations.

Read more about this topic:  Asteroid Impact Avoidance, Deflection Efforts

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