Everybody duck, there’s another (hopefully) near miss asteroid heading back to Earth next year. Headingback to Earth is the keyword here, since it has already crossed Earth’s path on several occasions within the past three years undetected. This doesn’t speak well for the astronomer’s ability to locate possible danger situations in time to take any preventative actions.
If the entire asteroid is to crash into the planet, the impact will be as hard as in the Tunguska blast, which in 1908 knocked down trees over a total area of 2,150 sq km (830 sq miles) in Siberia.
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