Johnadam

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Johnadam11 Jun, 2020News

The bad news is that an asteroid of city-killing proportions is heading in our direction, but the good news is that it�ll miss us on Saturday night by 3.2 million miles. The space rock, known as 2002 NN4, generated enough scary headlines that NASA felt compelled to put out a reassuring note today. �There is no danger the asteroid will hit the Earth,� NASA said. The asteroid has been described as being as big as the Empire State Building, but Bad Astronomy�s Phil Plait points out that one study estimates it as being even larger, with a diameter of 735 meters (2,400 feet). That�s not as big as the dinosaur-killing asteroid that struck 65 million years ago, but big enough to cause widespread destruction. Researchers say it�s just a matter of time before a killer space rock is detected on a collision trajectory. That�s why NASA and other space agencies are planning missions such as Hera and the Double Asteroid Redirection Test, or DART, to see what it would take to divert a threatening