Asteroid 2005 YU55
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Giant Asteroid 2005 YU55 passes near Earth

An asteroid that is 400m (1,300ft) wide has passed by Earth, much to the delight of astronomers.

Although invisible to the naked eye, scientists said they spotted strange structures on Asteroid 2005 YU55's surface as it spun past at 30,000mph.

Video courtesy Nasa Jet Propulsion Laboratory