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- A giant "city killer" asteroid will safely shoot past Earth today traveling at 41,000 mph.
- Its closest approach to Earth will be 1.77 million miles, over seven times the distance to the moon.
- You can't see it with the naked eye, but you can watch the event live on YouTube.
NASA's Jet Propulsion Laboratory has spotted a giant "city killer" asteroid flying toward Earth. And this afternoon, it will reach its closest approach to our planet, about 1.77 million miles away.