Talk about a scary Halloween. Earlier this week, reports emerged that a gigantic asteroid with a diameter taller than the Empire State Building will fly past Earth on October 31st. There is no danger of the asteroid making contact with us; it’s expected to pass at a distance of about 310,000 miles, which is further from our planet-than the moon. What is a bit frightening, however, is the fact that astronomers didn’t even know about the asteroid until about two-weeks ago. DON’T MISS:-I wish the iPhone had copied HTC instead As EarthSky notes, we’re quite fortunate that asteroid-2015 TB145 is passing Earth at a safe distance. NASA discovered the asteroid only two weeks ago, which would have given us just

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