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physical phenomena > event > celestial event > impact event > Torino scale 9 impact |
Torino scale 9 impact comparison table |
Subject | is a kind of | has has average interval time | has definition |
---|---|---|---|
impact event | celestial event | The collision of two celestial bodies | |
Torino scale 9 impact | impact event | 1000 to 100000 years | collision capable of causing regional devastation |
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