770-foot GIGANTIC asteroid rushing towards Earth; NASA says it is zooming at 48168 kmphA massive 770-foot asteroid that is the size of a stadium will be reaching very close to planet Earth tomorrow, Monday, November 21.It will come as close as 4.3 million kilometres, according to the information provided by NASA's Jet Propulsion Laboratory (JPL).Coming to how dangerous the asteroid is for Earth it can be known that the 770-foot asteroid will pass by our planet.This is one of the major reasons why NASA keeps a constant eye on them to ensure any such events are quickly found and they can take quick action against it.Follow HT Tech for the latest tech news and reviews , also keep up with us on Twitter, Facebook, Google News, and Instagram."