According to NASA, a "potentially dangerous" asteroid about the size of a bridge narrowly passed Earth on Monday. 

<div class="block">According to NASA, a &quot;potentially dangerous&quot; asteroid about the size of a bridge narrowly passed Earth on Monday. </div>
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Asteroid the Size of a Bridge Expected to Pass Earth 

According to NASA, an asteroid, about the size of a bridge was expected to pass by earth yesterday. The asteroid is called 1994 X D. It is about 1500 ft in span. And while it was expected to come very close to earth, it's still more than 1.9 million miles away. That's about eight times the distance between the earth and the moon asteroid 1994 X D is so big. It even has its own satellite that orbits around it. NASA says despite the size, it poses no real threat and be sure to stick with us here at TED News. More headlines, you need to know.