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Articles tagged: Tunguska

  • Asteroid Day, asteroids, B612 Foundation, Ed Lu June 2015 Finding asteroids before they find us

    ... than one percent of asteroids, or about 10,000 that cross Earth’s orbit that are larger than that of Tunguska, while we estimate about one million such asteroids in dangerous orbits actually exist. The Sentinel mission will...

    • Asteroid Day
    • asteroids
    • B612 Foundation
    • Ed Lu
    Authors: Ed Lu    
  • Asteroid impact, Debbie Lewis, Near Earth Objects October 2015 From NEOs to real action: testing asteroid impact scenarios

    ... analysis was that the object would almost certainly explode in the atmosphere as an airburst, much like the Tunguska explosion in 1908. At the widest point, the area would be mostly impacted by wind speeds of 15-20 metres per second...

    • Asteroid impact
    • Debbie Lewis
    • Near Earth Objects
    Authors: Debbie Lewis    
  • asteroid collision, DCB, planetary safeguard system, Vitaliy Deryugin February 2016 Protecting Earth from cosmic disasters

    ... DCB’s journey in the atmosphere, as was noted above, may end in an explosion above Earth’s surface (like the Tunguska meteorite), on the surface or in water. It will be accompanied by a wide spectrum of damage effects - blast wave, thermal radiation...

    • asteroid collision
    • DCB
    • planetary safeguard system
    • Vitaliy Deryugin
    Authors: Vitaliy A. Deryugin    
  • artificial magneto-shield, Global space governance, Near Earth Objects, planetary protection June 2020 Saving Earth – time for a new cooperative framework

    .... The search process is currently designed to find asteroids that are 140 m across, but we know from the Tunguska event in Siberia in the early 20th century that an asteroid about 40 m in size (or about a tenth the mass of a 140...

    • artificial magneto-shield
    • Global space governance
    • Near Earth Objects
    • planetary protection
    Authors: Joseph N. Pelton    
  • Asteroid impact, NEA, Near Earth Asteroid, NEOWISE, Planetary Science Institute 25 April 2016 Near-Earth asteroid population smaller than thought

    ...for potential impacts by an asteroid of equivalent size. As the asteroid that flattened over 2000 square kilometres in Tunguska was estimated to be only 60 metres in diameter, it will fall to telescopes that study different wavelengths of light, such...

    • Asteroid impact
    • NEA
    • Near Earth Asteroid
    • NEOWISE
    • Planetary Science Institute
  • 2019 MO, Asteroid Day, Double Asteroid Redirection Test (DART), ESA's HERA mission 30 June 2019 Asteroid day 2019

    ... are scheduled during the week of 30 June, the date of the largest asteroid impact of Earth in recorded history (Tunguska). In just five years, Asteroid Day has evolved to include the participation of all major national space agencies...

    • 2019 MO
    • Asteroid Day
    • Double Asteroid Redirection Test (DART)
    • ESA's HERA mission
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