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Oberst Villa
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Early Warning against "Killer"-Asteroids - current state, ideas..
Here I would like to discuss any current or future early warning system against "Killer"-Asteroids, i.e. asteroids that might cause major damage to earth.
My main interest is not so much in asteroids like Apophis that are currently known, but rather in the detection of those asteroids that might attack us "out of the blue". That is asteroids, against which our current technology might only give us a warning of a few days before impact. I would be interested to hear about currently operational systems, their efficiency and their shortcomings. But also in novel ideas from you how such a system might be designed.
I would suggest to limit this thread to the "sensor" aspect of the problem. I.e. detection, tracking, estimation of the impact site etc. For the discussion of how such an asteroid might be destroyed (or deflected in such a way that it would no longer pose a threat), there already exists another thread:
https://www.physicsforums.com/showthread.php?t=129368
Here I would like to discuss any current or future early warning system against "Killer"-Asteroids, i.e. asteroids that might cause major damage to earth.
My main interest is not so much in asteroids like Apophis that are currently known, but rather in the detection of those asteroids that might attack us "out of the blue". That is asteroids, against which our current technology might only give us a warning of a few days before impact. I would be interested to hear about currently operational systems, their efficiency and their shortcomings. But also in novel ideas from you how such a system might be designed.
I would suggest to limit this thread to the "sensor" aspect of the problem. I.e. detection, tracking, estimation of the impact site etc. For the discussion of how such an asteroid might be destroyed (or deflected in such a way that it would no longer pose a threat), there already exists another thread:
https://www.physicsforums.com/showthread.php?t=129368
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