article_snippet.sent: Vladimir Lipunov, a professor at Moscow State University, said the space rock, poses no immediate threat - although warned the space rock could 'theoretically' hit Earth..
article_snippet.sent: However, Vladimir Lipunov, a professor at Moscow State University said the space rock highlights the damage an asteroid could cause - in this case an explosion 1,000 times greater than the surprise 2013 impact of a bus-sized meteor in Russia.
article_snippet.sent: At 400-metres (1,300 feet) in size, the space rock is about the same size as the Empire State Building is tall.
article_snippet.sent: Vladimir Lipunov, a professor at Moscow State UniversityMoscow State University, said the space rock, poses no immediate threat - although warned the space rock could 'theoretically' hit Earth.
article_snippet.sent: [This] could then become such dangerous projectiles at a local scale as the one fell in Cheliábinsk (Russia) on February 15th 2013'.