What Lucky Factor Prevented the Chelyabinsk Object from Causing Much

question 104

Multiple Choice

What lucky factor prevented the Chelyabinsk object from causing much damage at ground level?

• A)It was made entirely of ices and thus exploded high in the air.
• B)It hit Earth at an oblique angle and thus exploded high in the air.
• C)A prototype asteroid defense system was being tested nearby.

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