Amazon S3 on MSN
The potential effects if a massive asteroid struck Earth
What could happen if the largest asteroid ever hit Earth.
Morning Overview on MSN
NASA alerts Earth to asteroid that could be on a collision path
NASA’s latest alert about a near‑Earth asteroid has revived a familiar mix of anxiety and curiosity about what would happen if a space rock really were on a collision course with our planet. The ...
At least it's not hitting Earth, we suppose.
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