On Thursday, June 27, a giant asteroid as big as a mountain will by the Earth closely. This asteroid named 2011 UL21, will be moving at the speed of approximately 58,000 mph (93,000 km/h) while passi… [read more]
On Thursday, June 27, a giant asteroid as big as a mountain will by the Earth closely. This asteroid named 2011 UL21, will be moving at the speed of approximately 58,000 mph (93,000 km/h) while passi… [read more]
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