planet, according to experts.The flying rock from outer space is 1,000 feet long, which is bigger than the Eiffel Tower and just smaller than the Empire State Building in New York.
However, Nasa has reassured anyone worried of a pre-Christmas apocalypse that the approaching 4660 Nereus asteroid poses no danger to life on Earth.It has still been labelled by astronomers as "potentially hazardous" because it will come within 4.65 million miles of our home planet.The skyscraper-sized asteroid will be visible from the UK tomorrow, and is expected to be closest to Earth at 2:50pm.Dr Franck Marchis, a senior astronomer at the SETI Institute, told The Sun : "Its orbit could be deflected by various things such as an encounter with another asteroid.
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