The Earth had some visitors not too long ago in the form of two asteroids.  The asteroids are officially known as 2018 NW and 2018 NX, according to a report from CNet, and they were said to be about the size of a school bus, with both estimated to have a diameter of 33 feet. At their closest points, scientists

noted that they got within 72,000 miles of Earth, meaning they were significantly closer to the planet than the moon. 2018 NW was observed to be the faster of the two, with a recorded velocity of 47,647 mph. Asteroids moving close to and eventually past the Earth happens relatively often, with the report noting that something like that takes place every few weeks or so. READ MORE