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How big does an asteroid have to be to destroy earth

How big does an asteroid have to be to destroy earth
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16 votes
How big does an asteroid have to be to destroy earth

User Giancarlo Ventura
by
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2 Answers

5 votes

Answer:

At least 60 miles (96 km) in diameter

Step-by-step explanation:

User Tod Thomson
by
7.9k points
13 votes

Answer:

Around "96 km (60 miles) wide"

User Save
by
8.4k points
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