Terra Planet Earth on MSN
NASA flags an asteroid with a potential Earth-impact trajectory
NASA flags an asteroid, the odds shift, and better tracking usually turns worry into a clean miss. The system improves each ...
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 this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ...
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