‘Potentially hazardous’ Apollo-class asteroid sails harmlessly past Earth

A space rock the size of a skyscraper that scientists deemed “potentially hazardous” sailed harmlessly past Earth today (April 1) around 4:35 pm ET.

Even though the asteroid only flew within 4.6 million miles roughly (7.4 million km) of earth (or — about 30 times the average distance between Earth and the moon), this was still the rock’s closest approach to our planet since the asteroid’s discovery in 2007, according to SpaceReference.orga database that compiles information from NASA’s Jet Propulsion Laboratory in California and the International Astronomical Union.

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