“Because it’s such a newcomer, there’s still a lot astronomers aren’t sure about, from its orbit to its size, which ranges between 187 to 426 feet (57 to 130 meters) across.”

If we can’t see these coming, why the fuck do people think we have the technology to see aliens.


http://www.astronomy.com/news/2019/07/a-large-asteroid-just-zipped-between-earth-and-the-moon