On June 27, a mountain-sized space rock “Planet Killer” made a close approach to Earth. One of the largest potentially hazardous asteroids had a diameter of 2.5 kilometres, according to estimates
A … [read more]
On June 27, a mountain-sized space rock “Planet Killer” made a close approach to Earth. One of the largest potentially hazardous asteroids had a diameter of 2.5 kilometres, according to estimates
A … [read more]
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