Earth Impacts as a Threat to Civilization - реферат по авиации и космонавтике

 

Тезисы:

  • Scientists assumed that at that time the Earth underwent bombardment by large asteroids.
  • Studies at the sites confirmed the Earth’s encounters with celestial bodies.
  • Such a large impact could occur on Earth every hundred million years.
  • Impacts of a smaller size are more frequent and also less damaging.
  • It is possible to detect dangerous objects decades before their collision with Earth.
  • Smaller asteroids can also be cut by lasers, with no effect on Earth.
  • The future project of 3 telescopes around Earth’s orbit can make it possible.
  • Worldwide Spaceguard program does very important mission for the whole civilization.
  • NASA’s Near Earth Object Program.
  • 22 September 2002.
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