[BradyLS]

Gee, it’s a nice house ya got there. Be a shame if a meteorite or, heaven forbid, an asteroid hit it. Sure, NASA can protect ya, but...eh...it’s gonna cost ya. A nominal fee. Don’ worry...

[PIF]

Be a shame if a meteorite or, heaven forbid, an asteroid

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Its a meteor when it enters the earth’s atmosphere; an asteroid before it enters. Size has nothing to do with the designation.